Gusmiyati G, Lian B, Fitria H. Principal’s Supervision in Improving Teacher’s Performance. J. Soc. Work Sci. Educ. [Internet]. 2021 Jul. 30 [cited 2026 Apr. 23];2(1):83-94. Available from: https://www.ejournal.sembilanpemuda.id/index.php/jswse/article/view/209