Elsa Matolodula, J. S. Tangio, Masrid Pikoli, Lukman Abdul Rauf Laliyo, and Erga Kurniawati, “The Influence of a PBL Learning Model Supported by Zeep Quiz on Students’ Critical Thinking Skills in the Subject of Chemical Equilibrium at State Senior High School 1 Bolaang Uki”, IJEVSS, vol. 5, no. 03, pp. 2961-2973, Jul. 2026.