AL-SHAWABKEH, H.; AL-KHOURI, B.; HAMDAN, S. .; AULIA MAWADDAH, I. . PROJECT-BASED LEARNING AND 21ST-CENTURY SKILLS: DEVELOPING CRITICAL THINKING AND COLLABORATION IN PRIMARY CLASSROOMS. International Journal of Educatio Elementaria and Psychologia, [S. l.], v. 3, n. 1, p. 1–13, 2026. DOI: 10.70177/ijeep.v3i1.3383. Disponível em: https://research.adra.ac.id/index.php/ijeep/article/view/3383. Acesso em: 22 apr. 2026.