YUNITA, L. EFEKTIVITAS PROBLEM BASED LEARNING BERBANTUAN E-LEARNING UNTUK MENINGKATKAN PRESTASI BELAJAR. Education Journal : Journal Educational Research and Development, [S. l.], v. 1, n. 1, p. 1–8, 2017. Disponível em: https://jurnal.unipar.ac.id/index.php/ej/article/view/91. Acesso em: 10 mar. 2025.