TY  - BOOK
AU  - 3G E Learning
TI  - Introduction to communication
SN  - 9781984636737
U1  - 302.2 T531 2020 
PY  - 2020///
CY  - New York
PB  - 3G E Learning
N1  - Includes bibliographical references (289p.) and index.; 300-399
ER  -