登入
選單
返回
Google圖書搜尋
Farming Systems Research at the International Agricultural Research Centers
Consultative Group on International Agricultural Research. Technical Advisory Committee
出版
TAC Secretariat, Agriculture Department, Food and Agriculture Organization of the United Nations
, 1978
URL
http://books.google.com.hk/books?id=YnQ_AAAAYAAJ&hl=&source=gbs_api