“Analyzing Students’ Critical Thinking Ability on Solving Sequences and Series Problems through Problem-Based Learning With Islamic Nuance”.
International Journal of Scientific Research and Management (IJSRM) 6, no. 01 (January 10, 2018): M–2018. Accessed April 7, 2025.
https://ijsrm.net/index.php/ijsrm/article/view/1229.