Nababan, R., Sihombing, L. and Harianja, S. D. (2023) “Module development of blended learning on christian education history subject: Study at the tarutung state christian religion institute”, The International Journal of Social Sciences World (TIJOSSW), 5(2), pp. 226–233. Available at: https://www.growingscholar.org/journal/index.php/TIJOSSW/article/view/394 (Accessed: 3 November 2026).