Suyitno, S. and Dhania Nugrahaning Purwasuyitno 2026. The Effect of Problem Based Learning Model on Students’ Critical Thinking Abilities: -. DIAJAR: Jurnal Pendidikan dan Pembelajaran. 5, 4 (Oct. 2026), 1420–1429. DOI:https://doi.org/10.54259/diajar.v5i4.8495.