SARI, Lisya Yulia; ADNAN, M. Fachri; HADIYANTO, Hadiyanto. Enhancing Students’ Active Involvement, Motivation and Learning Outcomes on Mathematical Problem Using Problem-Based Learning. International Journal of Educational Dynamics, [S. l.], v. 1, n. 1, p. 309–316, 2019. DOI: 10.24036/ijeds.v1i1.70. Disponível em: http://ijeds.ppj.unp.ac.id/index.php/IJEDS/article/view/70. Acesso em: 27 apr. 2026.