[1]
P. Puspitasari and S. Syarifuddin, “Optimizing the Use of Building Blocks to Improve the Mathematical Skills of 5- to 6-Year-Old Children Through Lego Duplo Play”, JETTI, vol. 4, no. 1, pp. 172–195, Jun. 2026, doi: 10.61227/5xvk2a92.