Utaminingsih, Meta, Mochamad Widjanarko, and Erik Aditia Ismaya. “The Effect of Problem-Based Learning Assisted by Peer Tutoring on Student’s Critical Thinking Ability”. ANP Journal of Social Science and Humanities 3 (August 9, 2022): 101-106. Accessed November 22, 2024. https://journalarsvot.com/index.php/anp-jssh/article/view/275.