Gladkova, V. E., M. A. Yakhyaev, V. E. Korolkov, I. A. Smirnova, I. L. Litvinenko, and Ju. S. Pinkovetskaya. “The Access of Russian Small Enterprises to Public Procurement Markets: Data Analysis”. Amazonia Investiga 7, no. 15 (August 30, 2018): 20–31. Accessed August 8, 2026. https://mail.amazoniainvestiga.info/index.php/amazonia/article/view/374.