Taufik Hendra, Nurhizrah Gitituati. The Principal’s Contribution to the Implementation of Supervision and Work Ethics on the Pedagogic Competence of Padang City Junior High School Teachers. IJHESS [Internet]. 2022 Dec. 30 [cited 2026 Aug. 30];2(3). Available from: https://ijhess.com/index.php/ijhess/article/view/293