Adiatmana Ginting, Donny, Edi Suprayetno, Rosmen, Fernandi De Napoli Marpaung, and Muhammad Hasan. “Pelatihan Implementasi Model Pembelajaran Problem Based-Learning Bagi Guru SMP Swasta Mulia Hamparan Perak”. JURNAL ABDIMAS MADUMA 3, no. 1 (April 30, 2024): 1–8. Accessed July 30, 2026. https://www.journal.eltaorganization.org/index.php/ecdj/article/view/224.