International Journal of Production Economics
International Journal of Production Economics > 2007 > 106 > 1 > 82-91
International Journal of Production Economics > 2007 > 108 > 1-2 > 111-118
International Journal of Production Economics > 2007 > 106 > 1 > 82-91
International Journal of Production Economics > 2007 > 108 > 1-2 > 111-118