Ahi, Berat, and Fatma Alisinanoglu. “Effect of Environmental Education Program Integrated into Preschool Education on children’s Mental Model Development about ‘environment’ Concept”. International Journal of Innovative Research in Education 5, no. 2 (June 29, 2018): 29–40. Accessed May 7, 2024. https://un-pub.eu/ojs/index.php/IJIRE/article/view/1247.