ARIFIN, Nurdin. UPAYA MENINGKATKAN SELF-EFFICACY SISWA DALAM PEMBELAJARAN MATEMATIKA MELALUI PROBLEM BASED LEARNING. Pendas Mahakam : Jurnal Pendidikan dan Pembelajaran Sekolah Dasar, [S. l.], v. 3, n. 3, p. 255–266, 2019. Disponível em: https://jurnal.fkip-uwgm.ac.id/index.php/pendasmahakam/article/view/293. Acesso em: 3 jul. 2024.