Author’s certificate Copyright certificate: T.P. Smolkina, E.V. Gruzina by Академия "Bolashaq"|Published 20.12.2019
Published 20.12.2019 Certificate of Copyright: “Innovation and Leadership in Foreign Language Education”, collective author
Published 20.12.2019 Certificate of authorship: “Economic foundations of organized crime”, collective author
Published 20.12.2019 Certificate of authorship: “Dialogue of cultures in the modern world”, collective author
Published 20.12.2019 Certificate of authorship: “State and development of state financial system”, collective author