Suhermanto, Hadi, Safnil, and Arono. 2022. “IMPROVING STUDENTS’ CRITICAL THINKING SKILLS BY USING PROJECT-BASED LEARNING (PBL)”. Corolla International Conference 1 (1):214-19. https://mail.yayasancec.or.id/cfc2.yayasancec.or.id/index.php/intc/article/view/29.