Negara, C. P. and Dedi Irawan (2024) “The The Impact of Problem-Based Learning on Students’ Collaboration Skills and Critical Attitudes in History Education”, Journal of Science, Learning Process and Instructional Research, 2(3), pp. 34–39. Available at: https://journal.riau-edutech.com/index.php/joslepi/article/view/83 (Accessed: 5 February 2025).