D. Adiatmana Ginting, Edi Suprayetno, Rosmen, F. D. N. Marpaung, and Muhammad Hasan, “Pelatihan Implementasi Model Pembelajaran Problem Based-Learning Bagi Guru SMP Swasta Mulia Hamparan Perak”, JAM, vol. 3, no. 1, pp. 1–8, Apr. 2024.