International Journal of Production Economics
International Journal of Production Economics > 2009 > 121 > 2 > 633-640
International Journal of Production Economics > 2009 > 122 > 1 > 161-175
International Journal of Production Economics > 2009 > 121 > 2 > 633-640
International Journal of Production Economics > 2009 > 122 > 1 > 161-175