Aprianty, H. et al. 2020. IMPLEMENTATION OF PROJECT-BASED LEARNING THROUGH STEM APPROACH TO IMPROVE STUDENTS’ SCIENCE PROCESS SKILLS AND LEARNING OUTCOMES. JTK (Jurnal Tadris Kimiya). 5, 2 (Dec. 2020), 144–152. DOI:https://doi.org/10.15575/jtk.v5i2.8370.