Pattipeilohy WF, Sanwani S. PROTOTIPE SISTEM CRM BERBASIS E-COMMERCE MENGGUNAKAN METODE USER CENTERED DESIGN DENGAN CODEIGNITER FRAMEWORK. jitk [Internet]. 2019Aug.7 [cited 2026Mar.4];5(1):111-8. Available from: https://ejournal.nusamandiri.ac.id.103-80-238-135.cpanel.site/index.php/jitk/article/view/687