Wardhani, A. P., & Alatas, F. (2026). The Effect of PDEODE Learning Strategy (Predict – Discuss – Explain – Observe – Discuss - Explain) on Students’ Critical Thinking Skills on Sound Wave Material. Kasuari: Physics Education Journal (KPEJ), 9(1), 268–281. https://doi.org/10.37891/kpej.v9i1.1232