Putri, W. and DJ, L. 2022. Description of Critical Thinking Ability at XI IPA 1 Grade of SMAN 7 Padang in Solving Chemistry Problems on Reaction Rate Material. Entalpi Pendidikan Kimia. 3, 2 (Jun. 2022), 9-16. DOI:https://doi.org/10.24036/epk.v3i2.252.