Ermakova, Zh.A., and T.V. Andreyeva. “ASSESSMENT OF VERSIONS OF INTEGRATIONAL COOPERATION IN THE BREAD PRODUCTION CHAINS (EXEMPLIFIED BY ORENBURG REGION)”. Management Issues, vol. 7, no. 1, Jan. 2014, pp. 138-44, https://voprosy-upravleniya.owebs.ru/article/view/23885.