Utari, D., R. M. Harahap, and A. S. Ritonga. “Kompetensi Guru Pesantren Modern (Studi Tentang Pedagogical Content Knowledge)”. Nuris Journal of Education and Islamic Studies, vol. 3, no. 2, July 2023, pp. 139-46, doi:10.52620/jeis.v3i2.48.