TY  - BOOK
AU  - Ptak, Carol A
AU  - Ptak, Carol A
TI  - ERP :  tools, techniques, and applications for integrating the supply chain / Carol A. Ptak with simulation CD ROM by Eli Schragenheim    
SN  - 9781574443585
AV  - TS155 .P798 2004 
U1  - TS155 .P798 2004 
PY  - 2004///
PB  - Boca Raton : CRC/Taylor and Francis
ER  -