Yazar
David Groenfeldt
6 cilt bulundu.
David Groenfeldt · World Bank Publications
157 sayfa · 2000
Irrigatie (waterhuishouding) / Irrigation / Management / Bewässerung / General
David Groenfeldt · Earthscan from Routledge
200 sayfa · 2013
Government policy / Moral and ethical aspects / Water-supply / Environmental ethics / Water resources development
David Groenfeldt · Earthscan
216 sayfa · 2013
Water-supply / Water resources development / Environmental ethics / Moral and ethical aspects / Government policy
David Groenfeldt · Routledge
238 sayfa · 2013
Water-supply / Water resources development / Environmental ethics / Moral and ethical aspects / Government policy
Rafael Ziegler, David Groenfeldt · Taylor & Francis Group
316 sayfa · 2017
Water-supply / Water quality management / Water resources development / Environmental ethics / Management
David Groenfeldt, Joyce Lewinger Moock · International Irrigation Management Institute
222 sayfa · 1989
Agricultural innovations / Congresses / Agriculture / Research / Social aspects