TY  - BOOK
AU  - ASHRAF M ASHRAF;
TI  - EFFECTIVE TECHNICAL COMMUNICATION
SN  - 0-07-059952-1
U1  - 651.7 
PY  - 2006///
CY  - NEW DELHI
PB  - TATA MC-GRAW HILL PUBLISHING COMPANY LTD
KW  - COMMUNICAION
N1  - 437
ER  -