Application of the Concrete-Pictorial-Abstract (CPA) Approach to Improve Elementary Students’ Spatial Sense. Indonesian Journal of Primary Education, [S. l.], v. 5, n. 1, p. 50–62, 2021. Disponível em: https://ejournal-tasikmalaya.upi.edu/ijpe/article/view/318. Acesso em: 29 sep. 2026.