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Methods for the economic evaluation of health care programmes
Drummond, Michael F., (2005)
Drummond, Michael F., (1997)
Medical care output and productivity
Cutler, David M., (2001)
Economics of engineering and social systems
English, J. M., (1972)
Project evaluation : a unified approach for the analysis of capital investments
English, John M., (1984)
English, John Morley, (1972)