Sari, Tri Novita, and TCHABLE Boussanlègue. “Supervision Efforts to Improve the Performance of Social Studies Subject Teachers During the Covid 19 Pandemic”. PPSDP International Journal of Education 1, no. 1 (May 23, 2022): 132–144. Accessed August 25, 2026. https://www.ejournal.ppsdp.org/index.php/pijed/article/view/10.