1. Feldstein, M. S. (1967). Economic Analysis for Health Service Efficiency. North-Holland.
2. Orders of Validation in Mathematical Modelling
3. Just Caring: Oregon, Health Care Rationing, and Informed Democratic Deliberation
4. Galbraith, J. K. (1967). The New Industrial State. Boston (Houghton Mifflin Company).
5. Garrison, R. H., Noreen, E. W., Brewer, P. C., & Mardini, R. U. (2003). Managerial Accounting. New York: McGraw-Hill/Irwin.