Achmad Chusni Mubarok, Intan Dzikria. Customer Retention Program Framework in Customer Relationship Management System Design. Prosid Sem Nas Teknoka [Internet]. 2023 Dec. 13 [cited 2024 Dec. 22];8:159-68. Available from: https://journal.uhamka.ac.id/index.php/teknoka/article/view/14558