International Journal of Production Economics
International Journal of Production Economics > 2011 > 129 > 1 > 86-101
International Journal of Production Economics > 2011 > 130 > 2 > 255-261
International Journal of Production Economics > 2011 > 129 > 1 > 86-101
International Journal of Production Economics > 2011 > 130 > 2 > 255-261