Aytekin ÇÖKELEZ, Sibel YALÇIN. The Analysis of the Mental Models of Students in Grade-7 Regarding Atom Concept. Elementary Education Online [Internet]. 2023 Dec. 16 [cited 2025 Mar. 10];11(2):452-71. Available from: https://ilkogretim-online.org./index.php/pub/article/view/3779