Vaslavskaya, I. Y., Koshkina, I. A., Fattakhova, A. R., Khakimova, S. D., & Fursov, V. A. (2016). Methodology to Measure the Effectiveness of Social Services. International Review of Management and Marketing, 6(5S), 96–102. Retrieved from https://mail.econjournals.com/index.php/irmm/article/view/2731