anwar, umintrah. “PENINGKATAN KOMPETENSI PEDAGOGIK GURU MELALUI SUPERVISI INFORMAL DI SDN MARGOREJO 1 SURABAYA”. Education and Human Development Journal 4, no. 2 (October 25, 2019): 61–69. Accessed November 24, 2024. https://journal2.unusa.ac.id/index.php/EHDJ/article/view/pdf.