Sedayu, A., H. Herpratiwi, D. Yulianti, and I. W. Distrik. “Impact of OER-Assisted Problem-Based Learning on Creative Thinking and Self-Efficacy in Physics Education”. Qubahan Academic Journal, vol. 4, no. 3, Sept. 2024, pp. 748-62, doi:10.48161/qaj.v4n3a817.