登入
選單
返回
Google圖書搜尋
Orderly Production and Marketing in the Beef-pork Sector
John Edwin Trierweiler
James Burton Hassler
出版
University of Nebraska, College of Agriculture, Agricultural Experiment Station
, 1970
URL
http://books.google.com.hk/books?id=IwsB7afLx10C&hl=&source=gbs_api