Anggraini, Shintia Okta, Harlita Harlita, and Umi Fatmawati. “The Influence of Role-Playing Method in Problem-Based Learning (PBL) Model on Students’ Oral Communication Skills and Critical Thinking Abilities”. Journal of Biology Learning 8, no. 1 (March 31, 2026): 57–66. Accessed August 6, 2026. https://journal.univetbantara.ac.id/index.php/jbl/article/view/7384.