Arifin, M. Zainul, Cyndana Kartika Putri, and Laila Mubarakah. 2026. “Building Number Sense: A Systematic Literature Review of Mathematical Concept Development in Early Years”. Kalamatika: Jurnal Pendidikan Matematika 11 (1), 76-94. https://doi.org/10.22236/KALAMATIKA.vol11no1.2026pp76-94.