Yuhana Elva, and Ratna Kartika Irawati. 2021. “PENGARUH PROJECT BASED LEARNING – STEM (SCIENCE, TECHNOLOGY, ENGINEERING, AND MATHEMATICS) TERHADAP PEMBELAJARAN SAINS PADA ABAD 21”. Ed-Humanistics : Jurnal Ilmu Pendidikan 6 (1):793-98. https://doi.org/10.33752/ed-humanistics.v6i1.1463.