Deni Puji Hartono, Haryanto, and Ferry Muhammad Firdous. “PROBLEM BASED LEARNING (PBL) LEARNING MODEL TO IMPROVE CRITICAL THINKING: BIBLIOMETRIC ANALYSIS”. International Conference on Teaching and Learning, vol. 2, no. 1, Oct. 2024, pp. 292-0, https://conference.ut.ac.id/index.php/ictl/article/view/2924.