Temel, Senar, and Senol Sen. “Prospective teachers’ Understanding of Sustainable Development Concept: A Qualitative Study”. New Trends and Issues Proceedings on Humanities and Social Sciences 7, no. 1 (July 2, 2020): 169–177. Accessed November 22, 2024. https://un-pub.eu/ojs/index.php/pntsbs/article/view/4899.