Yulianto, Feri, Siti Patonah, and Sukamto Sukamto. “INITIAL INSTRUMENT SCIENCE ELEMENTARY SCHOOL STEM-BASED ON ECOSYSTEM MATERIALS FOR PHASE C STUDENTS”. Jurnal Pendidikan Dasar 13, no. 2 (May 12, 2023): 190–203. Accessed November 3, 2024. https://journal.unj.ac.id/unj/index.php/jpd/article/view/34719.