Al Hadi, Alek, Abdul Kholek, Daru Ismartono, Richard Sianipar, and Salsabila Fatimatuzzahra. “Social Return On Investment (SROI) Program Academy Operator Training (AOT) PT Ganda Alam Makmur”. Jesya 8, no. 2 (July 7, 2025): 1196-1207. Accessed July 17, 2026. https://stiealwashliyahsibolga.ac.id/jurnal/index.php/jesya/article/view/2171.