Darmawan, Handi, Suherdiyanto, and Muhammad Lahir. “ReCLif: PROBLEM-BASED LEARNING MODEL TO IMPROVE CRITICAL THINKING FOR BEGINNER LEARNERS”. EDUCATUM: Scientific Journal of Education 2, no. 3 (September 12, 2024): 94–99. Accessed July 12, 2025. https://ojs.jurnalbk.com/index.php/educatum/article/view/89.