Ikhsan , Sugiyanto, Udin Hidayat, and Mohammad Fahreza. “Pelatihan Pengembangan Usaha Koperasi Rumah Sakit Citra Mandiri Dr. Cipto Di Jakarta”. E-Coops-Day 4, no. 2 (August 9, 2023): 245–152. Accessed July 22, 2024. https://journal.ikopin.ac.id/index.php/ecoopsday/article/view/3638.