Ѓуревска, Симона, et al. “АНАЛИЗА НА КОНКУРЕНЦИЈАТА ВО БИЗНИС СЕКОРОТ”. Challenges of Tourism and Business Logistics in the 21st Century, vol. 3, no. 1, Sept. 2018, p. 6, https://js.ugd.edu.mk/index.php/YFNTS/article/view/2322.