SARI, Riska Novia; YUSNITA, Yessy. The Development of Problem Based Learning (PBL) Module on Mathematical Logic Course. Mathematics Research and Education Journal, [S. l.], v. 2, n. 1, p. 29–35, 2018. Disponível em: https://journal.uir.ac.id/index.php/JPM/article/view/2273. Acesso em: 21 jul. 2026.