PUTRI, M.; SUPRIADI, S.; MAULIDNAWATI JUMRAH, A. . The Influence Of The Project Based Learning Model On The Character, 21st Century Skills and Mathematics Learning Outcomes Of Class IV . ALENA : Journal of Elementary Education, [S. l.], v. 3, n. 2, p. 232–244, 2025. DOI: 10.59638/jee.v3i2.384. Disponível em: https://jurnal-fkip-uim.ac.id/index.php/alena/article/view/384. Acesso em: 17 apr. 2026.