“KEMAMPUAN REPRESENTASI MATEMATIS ANAK USIA DINI”, SEMDI-UNAYA, vol. 1, no. 1, hlm. 264–270, Nov 2017, Diakses: Okt 17, 2026. Tersedia pada: https://jurnal.abulyatama.ac.id/index.php/semdiunaya/article/view/210