Roisah, R, I Iskandar, R Mahanka, R A Adillah, and I K Martana. 2019. “The Implementation of Customer Relationship Management and Service Excellent in Improving Customer Satisfaction”. Proceeding Interuniversity Forum for Strengthening Academic Competency 1 (1):78-83. https://proceedings.conference.unpas.ac.id/index.php/ifsac/article/view/128.