SARI, Riska novia; YUSNITA, Yessy. Praktikalitas dan Efektivitas Modul Logika Matematika Berbasis Problem Based Learning (PBL). Edumatica : Jurnal Pendidikan Matematika, [S. l.], v. 8, n. 2, p. 35–44, 2018. DOI: 10.22437/edumatica.v8i2.5540. Disponível em: https://mail.online-journal.unja.ac.id/edumatica/article/view/5540. Acesso em: 16 may. 2025.