Simaremare, Susi Sulastri. “Peranan Koperasi Unit Desa Dalam Meningkatkankan Pendapatan Masyarakat Di Desa Dolok Tolong (Studi Kasus Credit Union Saroha Nauli Desa Dolok Tolong)”. Journal of Management Science (JMAS) 2, no. 4 (October 1, 2019): 77–82. Accessed October 29, 2026. https://www.exsys.iocspublisher.org/index.php/JMAS/article/view/58.