Marinov, M. 2019. 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. Postmodernism Problems. 9, 2 (Sep. 2019), 342–345.