1. Aquilano, N. J., Chase, R. B., & Davis, M. M. (1995). Fundamentals of operations management. Chicago, IL: Irwin.
2. Calingo Luis, Ma. R. (1995). The corporate guide to the Singapore quality award. Singapore: EPB Publishers Pte Ltd. Vol. 22, pp. 533–556.
3. Chan, H. K. (2004). Analysis of dynamic control strategies of an FMS under different scenarios. Robotics & Computer-Integrated Manufacturing, 20(5), 423–437.
4. Chase, R. B., Aquilano, N. J., & Jacobs, R. (2000). operations management for competitive advantage. Boston, MA: Irwin/McGraw-Hill.
5. Chima, C. M., & Hills, D. (2007). Supply-chain management issues in the oil and gas industry. Journal of Business, 5(6), 27–36.