Siswanto DH. The Impact of a Collaborative Problem-based Learning on Performance in Inverse Matrix Learning, Critical Thinking Skills, and Student Anxiety. Contemp. Educ. Community Engagem. [Internet]. 2025 Jan. 31 [cited 2025 Feb. 5];1(2):1-11. Available from: http://journal1.uad.ac.id/index.php/CECE/article/view/1034