Anggraini, D., & Rumyeni. (2015). Pengaruh promosi penjualan pakaian wanita almira shop di instagram terhadap keputusan pembelian followers. Joan Fisip. 2(2) : 1-15.
Astuti, B., & Putri, A.P. (2018). Analysis on the effect of Instagram uses on consumer purchase intensity. Review of integrative business and economics research. 7(2) : 24-38.
Bellman, S., Lohse G.L., & Johnson, E.J. (1999). Predictors of online buying behavior. Communications of the ACM. 42(12): 32–38 DOI: 10.1145/322796.322805.
Berry, L.L., & Seiders, K., & Grewal, D. (2002). Understanding service convenience. Journal of marketing. 66(3) : 1-17 DOI: 10.1509/jmkg.66.3.1.18505.
Bhargava, V.R., & Velasquez, M. (2020). Ethics of the attention economy: The problem of social media addiction. Business Ethics Quarterly. 1-39 https://ssrn.com/abstract=3707165.
Bivens, G.E., & Volker, C.B. (2002). A value-added approach to household production: the special case of meal preparation. Journal of consumer research. (13) 4 : 272-79. https://doi.org/10.1086/209066.
Bowden, J.L.H. (2009). The Process of Customer Engagement: A Conceptual Framework. 17(1) : 63-74.
Brown, D., & Fiorella, S. (2013). Influencer Marketing – How to create, manage, and measure brand influencer in social media maketing. London (UK) :  Que Publishing.
Brown, D., & Hayes, N. (2008). Influencer Marketing, Who really influences your customers. London (UK): Elsevier Ltd.
Casalo, LV., Flavian, C., & Sanchez, S.I. (2018). Influencers on Instagram: antecedents and consequences of opinion leadership. Journal of business research. 1(1) : 1-10 https://doi.org/10.1016/j.jbusres.2018.07.005.
Che, J.W.S., Cheung, C.M.K., & Thadani, D.R. (2017). Consumer purchase decision in instagram stores: the role of consumer trust. Proceedings of the 50th hawaii international conference on system sciences. 4(1) : 24-34.
Chopra, A., Avhad, V., & Jaju, S. (2020). Influencer marketing: an exploratory study to identify antecedents of consumer behavior of millennial. Business perspectives and research. 1(1) : 1-15  https://doi.org/10.1177/2278533720923486.
Chuang, Y.W. (2019). Promoting Consumer Engagement in Online Communities through Virtual Experience and Social Identity. Sustainability. 12(855) : 1-20   https://doi.org/10.3390/su12030855.
Costa, I.O.M.D. (2019). The impact of influencer marketing on consumer purchase intentions and brand attitude: the instagrammers [Tesis]. Lisbon (PT) : ISCTE Business School.
Dewi, A.M. (2018). Pengaruh iklan online melalui instagram terhadap keputusan pembelian bagi peningkatan penjualan produk kuliner lokal. Ekonika 1(3) : 11-22.
Dradjat, H.A. (2017). Pengaruh persepsi teknologi, persepsi risiko,  dan institution based trust terhadap online trust dan perilaku penggunaan jasa ojek online [Tesis]. Institut Pertanian Bogor (ID) : Bogor.
Effendi, I. (2019). Analisis faktor yang mempengaruhi keputusan pembelian pada persaingan ritel terhadap generasi z ( studi kasus retail tradisional, modern & e-commerce ) [Tesis]. Bogor (ID) : Institut Pertanian Bogor.
Firdaus, A.D.,  & Wasilah, A. (2009). Akuntansi Biaya. Jakarta (ID): Salemba Empat.
Getcraft. (2018). Agar Makin Sukses, Ini yang Perlu Diketahui Influencer Media Sosial. Diakses pada 2 Agustus 2020 https://academy.getcraft.com/crafters/id/id/agar-makin-sukses-ini-yang-perlu-diketahui-influencer-media-sosial
Gilani, A., Kutaula, S., Leonidou, L.C., & Christodoulides, P. (2019). The impact of proximity on consumer fair trade engagement and purchasing behavior: the moderating role of empathic concern and hypocrisy. Journal of business ethics. 19(2) : 1-21.
Gilani, A., Kutaula, S., Leonidou, L.C., Christodoulides, P. (2019). The impact of proximity on consumer fair trade engagement and purchasing behavior: the moderating role of empathic concern and hypocrisy. Journal of business ethics. 19(2) : 1-21.
Grace, J.B. (2010). Structural equation modeling for observational studies. The journal of wildlife management. 7(2) : 14-23.
Hansen, M. (2005). Akuntansi Manajemen. Jakarta(ID) :  Salemba Empat.
Harahap, D.A. (2015). Analisis faktor-faktor yang mempengaruhi keputusan pembelian konsumen di pajak usu (pajus) medan. Jurnal keuangan dan bisnis. 7(3) : 227-242.
Jain, A., Shah, H., Tiwari, I.,  & Modi, N. (2019). Impact of influencers on the buying behaviour and attitude of individuals. International journal of advanced research. 7(10) : 836-851 DOI: 10.21474/IJAR01/9899.
Jin, S.V., Muqaddam, A., & Ryu, E. (2019). Instafamous and social media influencer marketing. Marketing intelligence & planning. 1(1) : 1-14  https://doi.org/10.1108/MIP-09-2018-0375.
Kalia, P., Kaur, N., & Singh, T. (2016). A review of factors affecting online buying behavior. Apeejay journal of management and technology. 11(2) : 58-73  DOI: 10.29385/APEEJAY.11.2.2016.58-73.
Kalu, F. (2019). The impact of social media influencer marketing on purchase intention from an irish male millennial’s perception: a case study of irish fashion industry [Tesis]. Dublin (IR) : National College of Ireland.
Kotler, P., & Amstrong, G. (2012). Prinsip-prinsip pemasaran. Jakarta (ID) : Erlangga
Kristanto, O.D., Indraningrat, K., & Prasetuuyaningtiyas, S. (2017). Pengaruh viral marketing, celebrity endorser dan brand image terhadap keputusan pembelian di distro RMBL. Jurnal bisnis dan Manajemen.  11(1) : 62-75.  doi: https://doi.org/10.19184/bisma.v11i1.6209.
Kumar, V. (2013). Profitable Customer Engagement: Concepts, Metrics and Strategies.  Sage publication. 1(2) : 11-22.
Kusumah, R. (2015). Analyze the effect of trust, price, quality and perceived risk toward consumer purchase behavior in online shops instagram. Jurnal berkala ilmiah efisiensi. 15(5) : 355-367
Lam, T.Y., & Maguire, D.A. (2012). Structural equation modeling: theory and applications in forest management. International journal of foresty research. 16(1) : 1-17.
Lauterborn, B. (1990). New marketing litany: four ps passe: c-wors take over. Advertising age. 61(41) : 26-39.
Lim, X.J, Radzol, A.R.B.M, Cheah, J.H, & Wong, M.W. (2017). The impact of social media influencers on purchase intention and the mediation effect of customer attitude. Mag scholar. 7(2) : 19-36  DOI:10.14707/AJBR.170035.
Lodhi, S., & Shoaib, M. (2017). Impact of e-marketing on consumer behaviour: a case of karachi, pakistan. Iosr journal of business and management. 19(1) : 90-101. DOI: 10.9790/487X-19010590101.
Lou, C., Tan, S.S., & Chen, X. (2019). Investigating consumer engagement with influencer- vs. Brand-promoted ads: the roles of source and disclosure. Journal of interactive advertising. 1(1) : 1-19.
Marza, S., Idris, I., & Abror. (2018). The influence of convenience, enjoyment, perceived risk, and trust on the attitude toward online shopping. Advances in economics, business and management research. 64(1) : 588-597.
Mathur, T., Das, G.M., & Paul, U.K. (2016). Convenience, Satisfaction, and Post-Purchase Behavior in India's Health Insurance Market. Journal of global marketing. 1(1) : 1-15  https://doi.org/10.1080/08911762.2016.1206650.
Maulana, I., Manulang, J.M.B, & Salsabila, O. (2020). Pengaruh Social Media Influencer Terhadap Perilaku Konsumtif di Era Ekonomi Digital. Majalah ilmiah bijak. 17(1) : 28-34  https://doi.org/10.31334/bijak.v17i1.823.g463.
Merili, P., & Sandra, Z.G. (2019). Driving online brand engagement, trust, and purchase intention on instagram [Tesis]. Swedia (SW) : Malardales University.
Milan, A.A., Felix, R., Rauschanabel, P.A.,  & Hinsch, C. (2018). Strategic customer engagement marketing: a decision making framework. Journal of business research. 1(37) : 2-33  DOI: 10.1016/j.jbusres.2018.07.017.
Ozer, S. (2012). The Effect of Social Media on Consumer Buying Decision Process [Disertasi]. Dublin (IR) : National College of Ireland.
Parmariza, Y. (2019). Online consumers’ buying behavior perspective on instagram platform. Advances in economics, business and management research. 120(4) : 212-224  DOI: 10.2991/aebmr.k.200205.039.
Putri, P. T., & Simanjuntak, M. (2020). The Role of Motivation, Locus of Control and Financial Literacy on Women Investment Decisions Across Generations. Journal of Consumer Sciences, 5(2), 102-123. https://doi.org/10.29244/jcs.5.2.102-123 
Riorini, S.V., & Widayati, C. (2015). Relationship commitment dan customer engagement: stimulus serta konsekwensi padakonsumen pengguna transportasi darat. Jurnal mix. 5(3) : 418-436  DOI: 10.22441/jurnal_mix.
Salamin, H.A., & Hassan, E. (2016). The impact of pricing on consumer buying behavior in saudi arabia : al-hassa case study. European journal of business and management. 8(12) : 62-73.
Santoso, A.P., Baihaqi, I., & Persada, S.F. (2017). Pengaruh konten post instagram terhadap online engagement: studi kasus pada lima merek pakaian wanita. Jurnal Sains dan Seni ITS. 6(1) : 50-54.
Sashi, C.M. (2012). Customer engagement, buyer-seller relationships, and social media. Management Decision 50(2):253-272
Septiaji, P., Simanjuntak, M., Saptono, I.T. (2020). Pengaruh Persepsi Bauran Pemasaran, Penjualan Kendaraan, Dan Program Loyalitas Terhadap Pembelian Ban Di Pasar Replacement. Mix: Jurnal Ilmiah Manajemen. 10 (3) : 321-345.  10.22441/mix.2020.v10i3.002
Setiadi, N. (2010). Perilaku Konsumen Konsep dan Implikasi untuk Strategi dan Penelitian Pemasaran. Jakarta : Kencana Prenada Group. 
Simanjuntak, M., Putri, N. E., Yuliati, L. N., & Sabri, M. F.  2020. Enhancing customer retention using customer relationship management approach in car loan bussiness.  Cogent Business & Management, 7(1), 1738200. https://doi.org/10.1080/23311975.2020.1738200
Simanjuntak, M.,  Nur, H.R.,  Sartono, B.,  Sabri, M.F. (2020). A general structural equation model of the emotions and repurchase intention in modern retail. Management Science Letters. 10 (4) : 801-814. DOI: 10.5267/j.msl.2019.10.017
Straus, J., & Frost, R. (2014). E-marketing. London(UK) : Pearson Education Inc
Sugiharto, S.A., & Ramadhana, M.R. (2018). Pengaruh kredibilitas influencer terhadap sikap pada merek (studi pada mahasiswa fakultas komunikasi dan bisnis universitas telkom). Jurnal ilmu politik dan komunikasi. 8(2) : 1-10.
Suharno. (2010). Marketing in Practice. Edisi Pertama, Penerbit Yogyakarta (ID) : Graha Ilmu.
Tjiptono, F. (2004). Manajemen Jasa. Yogyakarta (ID) :  Andi. 
Toor, A., Husnaian, M., & Hussain, T. (2017). The impact of social network marketing on consumer purchase intention in pakistan: consumer engagement as a mediator. Asian journal of business and accounting. 10(1) : 167-199.
Ugonna, Ikechukwu, A.O., Victor, O.N.,  Gerald, N., & Ojieze, J. (2017). Effects of online marketing on the behaviour of consumers in selected online companies in owerri, imo state – Nigeria. International journal of business and management invention. 6(6) : 32-43.
Vijay, V., Thoppan, J.J., Maria, F.F. (2018). Factors Influencing Consumer Behavior and Prospective Purchase Decisions in a Dynamic Pricing Environment-An Exploratory Factor Analysis Approach. Social science. 7. 153. 10.3390/socsci7090153. 
Vivek, S.D,, Beatty, S.E, & Morgan, R.M. (2012). Customer engagement: exploring customer relationships beyond purchase. Journal of marketing theory and practice. 20(2) : 127–145. DOI: 10.2753/MTP1069-6679200201.
Wahyuni, S., Fourqoniah, F., & Arsyad, A.W. (2019). Pengaruh konten instagram @smrfoodies terhadap minat beli followers.  Ejournal ilmu komunikasi. 7(1) : 154-166.
Widyanto, H.A, & Agusti, C.R. (2020). Beauty influencer in the digital age: how does it influence purchase intention of generation z?. Jurnal manajemen dan pemasaran jasa. 13(1) : 1-16.
Yuliati, L. N., Dradjat, H. A., & Simanjuntak, M. (2020). Online bike: Role of perceived technology, perceived risk, and institution-based trust on service usage via online trust. Cogent Business & Management, 7(1), 1798067. https://doi.org/10.1080/23311975.2020.1798067