PDF
…& Headley, D. E. (2010). Optimizing Industry Performance with the Airline
Quality Rating Methodology:2010 Results. International Conference on Aviation
Information Technology in Engineering and Management.
Bowen, B. D., Headley, D. E., & Lu, C. (2003). Benchmarking Airline Performance in the
Post-911 Operational Environment. Air Transport Research Society …
https://www.wichita.edu/academics/business/marketing/_documents/DHeadley.pdf