The Implementation of Problem-Based Learning to Improve Science Learning Outcomes of Students at SMPN 12 Konawe Selatan. J. Stud. Sci. Educ. [Internet]. 2026 Feb. 24 [cited 2026 May 14];1(1):20-33. Available from: https://journal.sciehum.com/index.php/josse/article/view/22