TY  - BOOK
TI  - Effective business letters and communication/ 
SN  - 9710845780
AV  - HF 5721  .M113 1989
U1  - FIL 808.06665 
PY  - 1989///
CY  - Manila 
PB  - National Book Store
N1  - College; 1210L-1700L
ER  -