SAMSUL, Putriyani; DJAFAR, Suarti; NURWIJAYA, Sugian. Problem-Project based Learning Model for Improving Entrepreneurship Character and Reasoning Ability of Mathematics Education Students . Jurnal Riset Pendidikan Matematika, [S. l.], v. 12, n. 2, p. 163–182, 2025. DOI: 10.21831/jrpm.v12i2.88122. Disponível em: https://jurnal.uny.ac.id/index.php/jrpm/article/view/88122. Acesso em: 12 feb. 2026.