Aytekin ÇÖKELEZ and Sibel YALÇIN (2023) “The Analysis of the Mental Models of Students in Grade-7 Regarding Atom Concept”, Elementary Education Online, 11(2), pp. 452–471. Available at: https://ilkogretim-online.org/index.php/pub/article/view/3779 (Accessed: 22 July 2024).