“Hierarchy of Factors That Provide Off-Budget Money Proceeds to Higher Educational Establishments and Generalized Models of Their Interaction”. Visnyk of Vinnytsia Politechnical Institute, no. 3 (November 12, 2010): 75–84. Accessed October 11, 2026. https://visnyk.vntu.edu.ua/index.php/visnyk/article/view/1245.