Cost-benefit analysis :
Ray, Anandarup.
Cost-benefit analysis : issues and methodologies / Anandarup Ray. - 1st ed. - Washington, D. C. : World Bank, 1984. - vii, 158 p.
0801830699 :
Cost-effectiveness.
Cost-benefit analysis : issues and methodologies / Anandarup Ray. - 1st ed. - Washington, D. C. : World Bank, 1984. - vii, 158 p.
0801830699 :
Cost-effectiveness.