Wahyuni, I., Rahmayani, K., Nasution, N. A., Azhari, R., Lubis, S. M., & Siregar, A. M. P. (2026). Internalization of Discipline Values Through School Culture in Student Character Building at MTsN 2 Mandailing Natal. PEDAGOGIC: Indonesian Journal of Science Education and Technology, 6(3), 645–654. https://doi.org/10.54373/ijset.v6i3.5786