Frisilla, S. and Hardeli, H. 2022. Validity and Practicality of Chemical Equilibrium Electronic Student Worksheets Based on Guided Discovery Learning to Increase the Critical Thinking Ability. Jurnal Penelitian Pendidikan IPA. 8, 3 (Jul. 2022), 1191–1198. DOI:https://doi.org/10.29303/jppipa.v8i3.1481.