Bozdemir Yüzbaşıoğlu, Hafife. “Environmental Issues and Critical Perspectives Mentioned at Public Service Announcements Which Are Prepared by Primary School Pre-Service Teachers”. International Journal of Psychology and Educational Studies 7, no. 4 (September 1, 2020): 143–159. Accessed April 29, 2024. https://ijpes.com/index.php/ijpes/article/view/159.