MUNIR, M. Development of Smart Ladder Media for Mathematics Material Units of Length for Class II of Karanggayam 2nd State Elementary School. Indonesian Journal of Progressive Pedagogy, [S. l.], v. 1, n. 2, p. 99–115, 2025. DOI: 10.61987/ijpp.v1i2.1264. Disponível em: https://serambi.org/index.php/ijpp/article/view/1264. Acesso em: 29 jun. 2026.