Yazar
Mary Tiffen
18 cilt bulundu.
Mary Tiffen · Tiffania Books
Sayfa sayısı yok · 2012
Friends and associates / Customs administration / Biography / Officials and employees / British
Mary Tiffen · IUCN--the World Conservation Union
108 sayfa · 1994
Droughts / Environmental aspects / Environmental aspects of Droughts / Environmental management / Environmental risk assessment
Mary Tiffen · J. Wiley
311 sayfa · 1994
Soil conservation / Management / Water conservation / Rural Land use / Land use, Rural
Mary Tiffen · H.M. Stationery Off.
208 sayfa · 1976
Agriculture / Economic aspects / Economic aspects of Agriculture / Economic conditions / Agriculture, economic aspects, africa
Mary Tiffen · IIED, International Institute for Environment and Development
27 sayfa · 1994
Sustainable agriculture / Sustainable development
Mary Tiffen · Guangxi shi fan da xue chu ban she
476 sayfa · 2017
Friends and associates / Customs administration / Biography / Officials and employees / British
Mary Tiffen · Sustainable Agriculture Programme of the International Institute for Environment and Development
26 sayfa · 1994
Economic aspects / Environmental aspects / Environmental aspects of Population / Environmental protection / Population
Mary Tiffen · Overseas Development Institute
152 sayfa · 1990
Economic aspects / Economic aspects of Plantations / Plantations