Enterprise business modeling, optimization techniques, and flexible information systems Petraq J. Papajorgji, Alaine Margarete Guimarães and Mario R. Guarracino, editors. - Papajorgji, Petraq J.; Guimarães, Alaine Margarete; Guarracino, Mario (IGI Global (701 E. Chocolate Avenue, Hershey, Pennsylvania, 17033, USA), 2013)