Shaikan, Andrii, and Mykhailo Sahaidak. “STUDY OF FACTORS FOR EFFECTIVE INTERACTION IN THE CHAIN "HEI – EMPLOYER"”. Scientific Journal of Polonia University 23, no. 4 (March 13, 2017): 130-141. Accessed December 29, 2024. http://pnap.ap.edu.pl/index.php/pnap/article/view/175.