International Journal of Production Economics
International Journal of Production Economics > 2009 > 121 > 1 > 176-182
International Journal of Production Economics > 2009 > 122 > 2 > 595-605
International Journal of Production Economics > 2009 > 121 > 1 > 176-182
International Journal of Production Economics > 2009 > 122 > 2 > 595-605