PUSPITASARI, Puspitasari; SYARIFUDDIN, Syarifuddin. Optimizing the Use of Building Blocks to Improve the Mathematical Skills of 5- to 6-Year-Old Children Through Lego Duplo Play. Journal of Education and Teacher Training Innovation, [S. l.], v. 4, n. 1, p. 172–195, 2026. DOI: 10.61227/5xvk2a92. Disponível em: https://journal.pusmedia.com/JETTI/article/view/332. Acesso em: 8 jun. 2026.