Wardhani, Amelia Putri, and Fathiah Alatas. “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), vol. 9, no. 1, June 2026, pp. 268-81, doi:10.37891/kpej.v9i1.1232.