Kodžopeljić, Jasmina, Snežana Smederevac, and Petar Čolović. “Frequency and Manifestations of Bullying: Differences Between Primary and Secondary School Students”. Primenjena psihologija 3, no. 4 (December 27, 2010): 289–305. Accessed November 24, 2024. https://primenjena.psihologija.ff.uns.ac.rs/index.php/pp/article/view/1154.