1. Y.L. Tu, A framework for production planning and control in a virtual OKP company, Technical Papers of North American Manufacturing Research Institution of SME 1996, SME, pp. 121–126.
2. Beyond year 2000—production management in the virtual company, production management methods;Rolstadås;IFIP Transactions,1994
3. C.H. Link, CAPP-CAM-I Automated Process Planning System, Proceedings of the 1976 NC conference.
4. T.C. Chang, R.A. Wysk, An Introduction to Computer-Aided Process Planning Systems, Prentice Hall, NJ, 1985.
5. Computer aided process planning: the state-of-the art survey;Alting;International Journal of Production Research,1989