F. M. Sembiring, A. Alfieridho, C. A. Hidma, I. Wahyuni, A. D. Munthe, and R. Putri, “Implementation of Principal Academic Supervision in Improving Teacher Performance at Schools Mis Hubbul Wathon Sei Berombang”, edumaspuljr, vol. 6, no. 2, Oct. 2022.