International Journal of Production Economics
International Journal of Production Economics > 2011 > 131 > 1 > 355-364
International Journal of Production Economics > 2011 > 133 > 1 > 192-200
International Journal of Production Economics > 2011 > 131 > 1 > 355-364
International Journal of Production Economics > 2011 > 133 > 1 > 192-200