Sinaga, Redina, Patri Silaban, and Regina Sipayung. “PENGARUH SIKAP GURU TERHADAP KOMPETENSI GURU SEKOLAH DASAR BUDI MURNI 2 MEDAN TAHUN”. Jurnal Educatio FKIP UNMA 6, no. 2 (November 28, 2020): 356–362. Accessed March 29, 2024. https://ejournal.unma.ac.id/index.php/educatio/article/view/500.