Hasturk, Hanife Gamze, and Buket Ballıel Unal. 2021. “THE EFFECT OF CONCEPT CARTOON APPLICATIONS ON THE ATTITUDES OF TEACHER CANDIDATES WITH RESPECT TO ENVIRONMENTAL PROBLEMS:”. International Online Journal of Education and Teaching 8 (3):1527-42. https://www.iojet.org/index.php/IOJET/article/view/1325.