Soil conservation in developing countries - Project and policy intervention / Policy and research series 8
Jock R Anderson
Soil conservation in developing countries - Project and policy intervention / Policy and research series 8 - Washington D C : The World Bank , 1990. - 45.
338.9 AND.N0
Soil conservation in developing countries - Project and policy intervention / Policy and research series 8 - Washington D C : The World Bank , 1990. - 45.
338.9 AND.N0
