Drovnikov, A. S., Nikolaev, E. L., Afanasev, A. S., Ivanov, V. N., Petrova, T. N., Tenyukova, G. G., Maksimova, N. . L., & Povshednaya, F. V. (2016). Teachers Professional Competence Assessment Technology in Qualification Improvement Process. International Review of Management and Marketing, 6(1), 111–115. Retrieved from https://www.econjournals.com/index.php/irmm/article/view/1756