SALWI, saiful; WAHID, A.; N, J. Effectiveness Of Problem Solving Based Learning Model In The 21st Century In Improving Creativity and Science Learning Outcomes Of Grade IV Students. ALENA : Journal of Elementary Education, [S. l.], v. 3, n. 2, p. 245–256, 2025. DOI: 10.59638/jee.v3i2.414. Disponível em: https://jurnal-fkip-uim.ac.id/index.php/alena/article/view/414. Acesso em: 19 apr. 2026.