TY  - BOOK
AU  - Rizwan Ahmad
TI  - THE LUMS TELEPHONE EXCHANGE PROBLEM RANA A I, DARD   R A
SN  - 06-283-2002-1
U1  - 174.4 LUM 2002 
PY  - 2002///
CY  - Lahore 
PB  - Lahore University of Management Sciences 
ER  -