Kalkan U, Koc A, Karadag M. Evaluation of class passing conditions of the failed students from the viewpoints of Education Ministry Officials, school administrators, teachers and parents. PROSOC [Internet]. 2017 Nov. 23 [cited 2024 Apr. 29];4(9):46-55. Available from: https://un-pub.eu/ojs/index.php/pntsbs/article/view/3041