Siburian, Jul Erixon PH, Arif Rahman, and Zulkifli Matondang. “The Effect of Learning Supervision, Professional Competency and Pedagogical Competency on Elementary Teacher Performance”. Randwick International of Education and Linguistics Science Journal 5, no. 2 (June 30, 2024): 474-489. Accessed January 27, 2026. https://www.randwickresearch.com/index.php/rielsj/article/view/985.