TY  - BOOK
ED  - 3G E-Learning
TI  - Communication theory
SN  - 9781984636799
AV  - P90 
U1  - 302.2 
PY  - 2020///
CY  - New York
PB  - 3G E-Learning
KW  - Communication
N1  - Includes bibliographical references and index
ER  -