Siagian BA, Situmorang SN, Siburian R, Sihombing A, Harefa RYR, Ramadhani S, et al. Sosialisasi Pembelajaran Berdiferensiasi dalam Program Merdeka Belajar di SMP Gajah Mada Medan. Indones. Berdaya. [Internet]. 2022 May 9 [cited 2026 Jun. 26];3(2):339-44. Available from: https://ukinstitute.org/journals/ib/article/view/227