المؤلفون: Haughton, Michael A., Stenger, Alan J.

المصدر: International Journal of Physical Distribution & Logistics Management, 1997, Vol. 27, Issue 8, pp. 459-474.

الوصول الحر: http://www.emeraldinsight.com/doi/10.1108/09600039710182635Test

المؤلفون: Eibl, Peter G., Mackenzie, Roddy, Kidner, David B.

المصدر: International Journal of Physical Distribution & Logistics Management, 1994, Vol. 24, Issue 6, pp. 27-37.

الوصول الحر: http://www.emeraldinsight.com/doi/10.1108/09600039410066169Test

المؤلفون: Bagchi, Prabir K., Nag, Barin N.

المصدر: International Journal of Physical Distribution & Logistics Management, 1991, Vol. 21, Issue 2, pp. 10-18.

الوصول الحر: http://www.emeraldinsight.com/doi/10.1108/09600039110134805Test