dewi Antika, Fauriatun Helmiah, Wiwin Handoko. E-CRM IN THE PROCESS OF IMPROVING WEB-BASED SALES SYSTEM AT ZAHREEN’S SHOP. J. Tek. Inform. (JUTIF) [Internet]. 2022Jun.29 [cited 2024Aug.31];3(3):563-72. Available from: http://jutif.if.unsoed.ac.id/index.php/jurnal/article/view/240