Клевакин, А.В., and И.Я. Рыбакова. “TRENDS OF THE JOINT AND CENTRALIZED PROCUREMENT BY MUNICIPAL CUSTOMERS: ANALYSIS OF APPLICABLE LAW AND PROSPECTS”. Municipality: Economics and Management, vol. 10, no. 1, Jan. 2015, pp. 55-62, https://municipality.owebs.ru/article/view/26825.