World Bank. Agricultural Research - Sector Policy Paper. Washington, DC: World Bank, 1981.
Zerbe, R.O., and D.D. Devily. Benefit-Cost Analysis in Theory and Practice. New York:
HarpinCollins College Printers, 1994.
28
World Bank. Agricultural Research - Sector Policy Paper. Washington, DC: World Bank, 1981.
Zerbe, R.O., and D.D. Devily. Benefit-Cost Analysis in Theory and Practice. New York:
HarpinCollins College Printers, 1994.
28