Misakov, V., L. Tsurova, L. Yandarbayeva, I. Tkhamadokova, and G. Gapurovna. “Certification of a Regional Economic Complex As a Highly Effective Tool for Analysis and Diagnostics of Its Development”. Amazonia Investiga, Vol. 8, no. 20, June 2019, pp. 451-8, https://amazoniainvestiga.info/index.php/amazonia/article/view/174.