Wardhani, Amelia Putri, and Fathiah Alatas. 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):268-81. https://doi.org/10.37891/kpej.v9i1.1232.