KRUPSKYI, Oleksandr, 		SARDAK, Sergii, 		KOLBUSHKIN, Yuriy, AND 		STASYUK, Yuliia.
" Formation of the Economic Security System  of Tourism and Hospitality Enterprises" <em>Journal of Advanced Research in Law and Economics</em> [Online], Volume 10 Number 4 (30 June 2019)