M. Marinov, “Knowledge and Social Reality: Review of Angel Tsvetkov’s monograph” Sociology of knowledge.” (Tsvetkov, A. 2017. Sociology of Knowledge. Blagoevgrad: Neofit Rilski University Publishing House, ISBN 978-954-00-0144-9) 124 p”., pmp, vol. 9, no. 2, pp. 342–345, Sep. 2019.