Mawaddah, Nurul, Muhammad Nur Akbar Rasyid, and Sitti Mania. “An Evaluation of the Teacher Service Training Program at Islamic Boarding School: A Study of the Kirkpatrick Model”. ETDC: Indonesian Journal of Research and Educational Review 4, no. 4 (September 3, 2025): 1013–1027. Accessed October 8, 2025. https://www.etdci.org/journal/ijrer/article/view/3585.