Anđelković Labrović, Jelena, Aleksandar Bijelić, and Gordana Milosavljević. “Mapping Students’ Informal Learning Using Personal Learning Environment”. Management:Journal of Sustainable Business and Management Solutions in Emerging Economies 19, no. 71 (July 14, 2014): 73–80. Accessed July 16, 2024. https://management.fon.bg.ac.rs/index.php/mng/article/view/131.