Khairunnisa, Kania, Tuti Lestari, Arief Muttaqiin, and Rani Oktavia. 2025. “The Effect of Project Based Learning Model on Students’ Learning Outcomes at SMPN 1 Payakumbuh”. SEMESTA: Journal of Science Education and Teaching 8 (1):22-31. https://doi.org/10.24036/semesta/vol8-iss1/515.