Taib, Zulkifli. “ANALISIS FAKTOR PENGHAMBAT PROSES BELAJA MENGAJAR GURU MATEMATIKA SMA SE-KABUPATEN PULAU MOROTAI (Analysis of Problem Factors in Learning Process of Mathematics Teachers)”. EDUKASI 15, no. 1 (Maret 20, 2017). Diakses Mei 31, 2026. https://ejournal.unkhair.ac.id/index.php/edu/article/view/290.