Heryanto, Adi. “Analisis Loyalitas Nasabah Koperasi Mitra Dhuafa Cabang Soreang”. Prosiding FRIMA (Festival Riset Ilmiah Manajemen dan Akuntansi), no. 2 (April 13, 2019): 1067 - 1070. Accessed September 20, 2024. https://prosidingfrima.digitechuniversity.ac.id/index.php/prosidingfrima/article/view/144.