Serap ERDOĞAN, Nurbanu PARPUCU, Menekşe BOZ. The Effects of Educational Materials Focusing on Numbers and Operations on Mathematical Ability of Preschool Children. Elementary Education Online [Internet]. 2023 Dec. 11 [cited 2025 Jan. 22];16(4):1777-91. Available from: https://ilkogretim-online.org/index.php/pub/article/view/468