1. Accreditation Board for Engineering and Technology (ABET). (2004). Criteria for accrediting engineering programs. New York: Accreditation Board for Engineering and Technology.
2. Bovel, D. & Martha, J. (2000). From supply chain to value net. Journal of Business Strategy, July/August.
3. Brewer, A. M. et al. (eds.). (2001). Handbook of logistics and supply-chain management. Amsterdam: Pergamon.
4. Dictionary.com. Engineering. Retrieved December 23, 2004, from http://www.dictionary.com/ .
5. Encyclopaedia Britannica. Engineering. Retrieved February 12, 2007, from http://www.britannica.com/eb/article-9105842 .