Arifin, M. Z., Putri, C. K. and Mubarakah, L. (2026) “Building number sense: A systematic literature review of mathematical concept development in early years”, Kalamatika: Jurnal Pendidikan Matematika, 11(1), pp. 76-94. doi: 10.22236/KALAMATIKA.vol11no1.2026pp76-94.