Pešić, D., and A. Radovanović. “THE EL KNOWLEDGE AS A MEANS OF ENHANCING BUSINESS PERFORMANCE IN TOURISM AND HOSPITALITY Students’ Perceptions”. Tourism International Scientific Conference Vrnjačka Banja - TISC, Vol. 1, no. 1, June 2016, pp. 586-02, http://www.tisc.rs/proceedings/index.php/hitmc/article/view/239.