Muhartini, Muhartini, Amril Mansur, and Abu Bakar. “PEMBELAJARAN KONTEKSTUAL DAN PEMBELAJARAN PROBLEM BASED LEARNING”. Lencana: Jurnal Inovasi Ilmu Pendidikan 1, no. 1 (December 23, 2022): 66–77. Accessed April 29, 2025. https://ejurnal.politeknikpratama.ac.id/index.php/Lencana/article/view/881.