Ramadona Wijaya, F., Lubis, F.A.R., Sihab Siregar, M.N. and Fauziah Batubara, A.A. 2025. Sumber Data, Subjek Penelitian, dan Isu Terkait. Edukatif. 3, 2 (May 2025), 271–276. DOI:https://doi.org/10.65311/je.v3i2.1567.