LESTARI, Nur Puji. Preliminary Research: Development of A Teaching Module Based on Problem Based Learning To Improve Students’ Mathematical Literacy Abilities. Mathline : Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 8, n. 4, p. 1487–1506, 2023. DOI: 10.31943/mathline.v8i4.539. Disponível em: https://mathline.unwir.ac.id/index.php/Mathline/article/view/539. Acesso em: 24 dec. 2025.