“PERANAN MUSYAWARAH GURU MATA PELAJARAN (MGMP) TERHADAP KOMPETENSI GURU MATEMATIKA DI TINGKAT SMA”. JURNAL KOULUTUS 2, no. 1 (March 22, 2019): 61–75. Accessed November 21, 2024. https://ejournal.kahuripan.ac.id/index.php/koulutus/article/view/200.