Title: Reading as Communication Echo
Description: Tsvetkova, Milena. Reading as communication echo: Scientific model of the reader’s feedback research. Reviewers Prof. DSc Milko Petrov, Prof. DSc Lubomir Stoykov; Editor Karina Sabanova. – Saarbrücken, Germany: LAP Lambert Academic Publishing, 2017. – 120 p. 

**UDC (Universal Decimal Classification):**
002:004
02 Librarianship
16 Logic. Epistemology. Theory of Knowledge
004.072.2 Reading 
316.77 Sociology of communication 
**DDC (Dewey Decimal Classification):**
002 The book 
028 Reading & use of other information media
070 News media, journalism & publishing
**LCC (Library of Congress Classification):**
LB1049.9-1050.75 Reading (General)
P87-96 Communication. Mass media
Z1003-1003.5 Choice of books. Books and reading
**State Rubricator of Scientific and Technical Information = ГРНТИ**
15.81.49 Psychology of reading 
19.21 Mass communications. Mass media
Subjects: reading, reading as communication, models of communication, model of the pyramid, Matryoshka model, book as medium, impact of the book, reach of books, Energy conversion efficiency, publishing workflow, content industry, media and cultural industries