DIANA, Risma Firda; KUSUMA, Pratama Surya Bagus. Development of PBL Integrated Ethnomathematics Learning Tools to Develop Mathematical Problem-Solving Skills in Elementary School. Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram, [S. l.], v. 13, n. 3, 2025. DOI: 10.33394/j-ps.v13i3.15868. Disponível em: https://e-journal3.undikma.ac.id/index.php/prismasains/article/view/15868. Acesso em: 16 aug. 2025.