Sormin, M.R. et al. 2025. Challenges Faced by Pesantren in South Tapanuli in Implementing the Regulation of the Minister of Religious Affairs No. 31 of 2020. Dirasah International Journal of Islamic Studies. 3, 2 (Nov. 2025), 237–250. DOI:https://doi.org/10.59373/drs.v3i2.102.