Veličković, Sonja. “PROBLEMS DISCONTINUITY ON THE FIRST LEVEL OF THE SCHOOL SYSTEM”. International Journal of Cognitive Research in Science, Engineering and Education (IJCRSEE) 1, no. 2 (December 20, 2013): 135–143. Accessed March 21, 2023. https://ijcrsee.com/index.php/ijcrsee/article/view/5.