RITONGA, H. S. Smart Ladder as a Mathematics Learning Media With a STEAM Approach. Jurnal Inovasi Pembelajaran Matematika, [S. l.], v. 1, n. 1, p. 16–22, 2022. DOI: 10.56587/jipm.v1i1.17. Disponível em: https://journal.rafandhapress.com/jipm/article/view/17. Acesso em: 19 apr. 2026.