Misakov, V.S., Tsurova, L.A., Yandarbayeva, L.A., Tkhamadokova, I.K. and Gapurovna, G.M. 2019. Certification of a regional economic complex as a highly effective tool for analysis and diagnostics of its development. Amazonia Investiga. 8, 20 (Jun. 2019), 451–458.