Author’s certificate Copyright certificate: T.P. Smolkina, E.V. Gruzina by Академия "Bolashaq"|Published 20.12.2019
Published 20.12.2019 Certificate of authorship: “Economic foundations of organized crime”, collective author
Published 29.04.2022 Author’s Certificate: Electronic Textbook “Fundamentals of Philosophy” Свидетельство-Гульстан-Основы-философии-1
Published 30.04.2022 Author’s Certificate: “Methodical Recommendations for Organizing Educational Work in Educational Institutions to Develop Leadership Activities of Learners” Свидетельство-Я-Акбота
Published 12.03.2021 Author’s Certificate: Electronic Educational Resource “The Secret of Health” Свидетельство-Жапанова-1
