Vetitnev, A.M., and M.S. Kruglova. “CONTROL OF ORGANIZED VOLUNTEER WORK IN THE RUSSIAN UNIVERSITIES: EVALUATION OF THE EFFECTIVENESS AND OPTIMAL MODEL OF PARTNERSHIP”. Management Issues, vol. 42, no. 5, May 2016, pp. 88-98, https://voprosy-upravleniya.owebs.ru/article/view/24385.