[1]
Aropiq, P.R., Nasrullah, A. dan Yendra, N. 2025. Enhancing Problem-Solving and Self-Directed Learning in 8th-Grade Students through a Problem-Based Learning Approach. Progressive of Cognitive and Ability. 4, 1 (Jan 2025), 30–38. DOI:https://doi.org/10.56855/jpr.v4i1.1325.