Rotman, David G. “Evelkin G. M. Analysis and Modeling of Content of the Various Origins Documents (basics of Content Analysis)”. Journal of the Belarusian State University. Sociology, no. 2 (October 4, 2020): 145–146. Accessed July 18, 2026. https://journals.bsu.by/index.php/sociology/article/view/3044.