Utaminingsih M, Widjanarko M, Ismaya EA. The Effect of Problem-Based Learning Assisted by Peer Tutoring on Student’s Critical Thinking Ability. ANP-JSSH [Internet]. 2022Aug.9 [cited 2024Nov.22];3:101-6. Available from: https://journalarsvot.com/index.php/anp-jssh/article/view/275