@article {786, title = {Mathematical Programming-Based Sales and Operations Planning at Vestel Electronics}, journal = {Interfaces}, volume = {45}, year = {2015}, pages = {325-340}, doi = {http://dx.doi.org/10.1287/inte.2015.0793}, author = {Z C Ta{\c s}k{\i}n and Semra A{\u g}ral{\i} and Ali Tamer {\"U}nal and Vahdet Belada and Filiz G{\"o}kten-Y{\i}lmaz} }