International Journal of Production Economics
International Journal of Production Economics > 2007 > 107 > 1 > 125-138
International Journal of Production Economics > 2007 > 108 > 1-2 > 359-367
International Journal of Production Economics > 2007 > 107 > 1 > 125-138
International Journal of Production Economics > 2007 > 108 > 1-2 > 359-367