[9] James B. Rice, Jr. and Philip W. Spayd, ‘Investing in Supply Chain Security: Collateral Benefits’, mei 2005 (Massachusetts Institute of Technology) and Hau L. Lee and Seungjin Whang, ‘Higher supply chain security with lower cost: Lessons from total quality management’, International Journal of Production Economics, 2004
[9] i.e. James B. Rice, Jr. et Philip W. Spayd, «Investing in Supply Chain Security: Collateral Benefits», mai 2005 (Massachusetts Institute of Technology) et Hau.L.Lee et Seungjin Whang, «Higher supply chain security with lower cost: Lessons from total quality management», International Journal of Production Economics, 2004.