KOTEN, G. J. L.; MUNZIL; UTAMA, C. . Improving Critical Thinking Skills of Elementary School Students: Project Based Learning vs Gamification-Based Group Investigation. Journal for Lesson and Learning Studies, [S. l.], v. 6, n. 2, p. 311–320, 2023. DOI: 10.23887/jlls.v6i2.60680. Disponível em: https://ejournal.undiksha.ac.id/index.php/JLLS/article/view/60680. Acesso em: 21 may. 2024.