SOFA, Mahira Maya; SUDRAJAT, Ajat. The Effect of the Project-Based Learning Model on Students’ Learning Outcomes and Learning Activities. Hydrogen: Jurnal Kependidikan Kimia, [S. l.], v. 14, n. 4, 2026. DOI: 10.33394/hjkk.v14i4.21074. Disponível em: https://e-journal.undikma.ac.id/index.php/hydrogen/article/view/21074. Acesso em: 8 sep. 2026.