TY  - BOOK
AU  - Narula,Uma
TI  - Communication models for the study of mass communications 
SN  - 9788126906765
AV  - P91 .M375 1993
U1  - 302.23 20
PY  - 2013///
CY  - New Delhi
PB  - Atlantic
KW  - Communication models
N1  - Includes bibliographical references and index
ER  -