Mahdavieh, Mahin, Soheila Hashemi, Habibollah Naderi, and Ali Asghar Firouzjaiyan. 2022. “Developmental Changes in Epistemological Beliefs in 9-Year-Old Student”. Iranian Journal of Educational Sociology 2 (3): 102-11. https://qijes.com/index.php/ijes/article/view/847.