TUMARAR, Marshanda; NAJOAN, Roeth A.O; TARUSU, Deysti Trifena. THE IMPLEMENTATION OF THE PROJECT-BASED LEARNING MODEL TO IMPROVE LEARNING OUTCOMES ON PLANE FIGURE CONCEPTS AMONG THIRD-GRADE STUDENTS AT SD GMIM PELELOAN. SOSIOEDUKASI : JURNAL ILMIAH ILMU PENDIDIKAN DAN SOSIAL, [S. l.], v. 15, n. 2, p. 3493–3501, 2026. DOI: 10.36526/sosioedukasi.v15i2.8358. Disponível em: https://ejournal.unibabwi.ac.id/index.php/sosioedukasi/article/view/8358. Acesso em: 8 aug. 2026.