USMAN, Muhammad Rizal; HALIM, St Nurhumairah; FAQIH, Nur Shafirah. Efektivitas pembelajaran matematika melalui penerapan model project based learning. Delta-Pi: Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 11, n. 2, p. 189–202, 2022. DOI: 10.33387/dpi.v11i2.5082. Disponível em: https://ejournal.unkhair.ac.id/index.php/deltapi/article/view/5082. Acesso em: 29 mei. 2026.