AHMET TEKBIYIK; MUSTAFA ÇELİK. SECOND GRADERS’ MENTAL MODELS AND IMAGES CONCERNING THE CONCEPTS OF EARTH AND SPACE. International Journal of Eurasia Social Sciences , [S. l.], v. 7, n. 25, p. 271–289, 2016. Disponível em: https://rrpubs.com/index.php/ijoess/article/view/873. Acesso em: 17 may. 2025.