1. Principles of Economic Evaluation in Health Care;Drummond,1980
2. Warner K.E. and Luce B.R. Cost-benefit and Cost-effectiveness in Health Care. Health Administration Press, Am Arbor MI.
3. Methods for the Economic Evaluation of Health Care Programmes;Drummond,1987
4. Standards for the Socio-economic Evaluation of Medicines;Luce,1990
5. Cost-utility in practice: a policy maker's guide to the state of the art;Gerard;Hlth Policy,1992