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. Int. J. of Educatio Elementaria and Psychologia [Internet]. 2026Feb.10 [cited 2026Apr.22];3(1):1-13. Available from: https://research.adra.ac.id/index.php/ijeep/article/view/3383