1. GAMS : A User’s Guide, Release 2.25;Brooke,1992
2. Applied Numerical Methods;Carnahan,1969
3. Principles of Unit Operations;Foust,1980
4. Water and Wastewater Technology;Hammer,1986
5. Analysis and Operation of Cooling Water Flows in a Heat Exchangers Network;Hyungtak;Korean J. of Chemical Engineering,1997