Paulus Haniko, Yenny Anggreini Sarumaha, Erwinsyah Satria, Nurmadina Hs, and Anas. 2023. “Building Students’ Critical Thinking Skill through Problem-Based Learning Model”. Widya Accarya 14 (1), 92-98. https://doi.org/10.46650/wa.14.1.1409.92-98.