登入選單

返回Google圖書搜尋

Long-term Development Strategies in Relation to Environmental Management in the Sahel

George M. Van Dyne

出版	Natural Resources Ecology Lab., Colo. State Univ., 1974
URL	http://books.google.com.hk/books?id=P1LVAAAAMAAJ&hl=&source=gbs_api