1.
Purba IDA, Maimunah M, Kartini K. Application of Problem-Based Learning to Enhance Mathematical Reasoning Skills of Phase E Students in Class X-3 SMAN 6 Pekanbaru. JES [Internet]. 2025 Jan. 24 [cited 2026 May 23];9(1):58-67. Available from: https://jes.ejournal.unri.ac.id/index.php/JES/article/view/55