Putri, Yetti Laswita. 2021. “THE IMPLEMENTATION OF STEM-BASED APPROACH TO INCREASE STUDENTS SCIENCE LEARNING ACTIVITY ON 8TH GRADE STUDENTS MTSN SOLOK”. SEMESTA: Journal of Science Education and Teaching 4 (1):78-86. https://doi.org/10.24036/semesta/vol4-iss1/159.