TY  - BOOK
AU  - "Pfaffenberger, Roger C; Walker, David A"
TI  - Mathematical prgramming for economics and business
SN  - 08138-1055-8
U1  - 519.702433 PFA 
PB  -  The IOWA State University Press
N1  - Gratis Received from Prof.G.Balasubramanian
ER  -