International Journal of Production Economics
International Journal of Production Economics > 2007 > 107 > 1 > 20-30
International Journal of Production Economics > 2007 > 110 > 1-2 > 25-38
International Journal of Production Economics > 2007 > 107 > 1 > 20-30
International Journal of Production Economics > 2007 > 110 > 1-2 > 25-38