1.
Handoko H. The Principal Strategy In Developing Teacher Professional Competence In Islamic Junior High School Al-Jam’iyatul Washliyah Tembung, Deli Serdang District. IJESSM [Internet]. 2021Aug.23 [cited 2024May2];1(2):58-72. Available from: https://lpppipublishing.com/index.php/ijessm/article/view/31