Kalambo, Yohanis, Tiara Yustika, and Rita Mardiana. “The Impact of Service Quality to Customer Satisfaction at Koperasi Simpan Pinjam Dana Artha Mandiri Purwarkarta”. SMART : Management Journal 3, no. 1 (October 31, 2022): 01–09. Accessed June 14, 2025. https://ojs.ibm.ac.id/index.php/smart/article/view/66.