TY  - BOOK
AU  - BERKO,ROY M
AU  - CURTIS,RAY
AU  - WOLORN,ANDREW D
TI  - This Business of Communicating / 
U1  - 302.2 
PY  - 1993///
CY  - [S.N] : 
PB  - WCB BROWN & BENCHANARK ، 
ER  -