Bussarakum, S., Chaowakeratipong, D. and Suwanjinda, D. 2024. The Effects of the Model-based Learning Instruction in the Topic of Pure Substance on Learning Achievement and Scientific Modeling Ability of Grade 7 Students at Nakorn Khonkaen School in Khonkaen Province. KKU Research Journal (Graduate Studies) Humanities and Social Sciences. 12, 2 (Oct. 2024), 107–118.