ISBN 7109138739 books & textbook
agricultural infrastructure construction and County Economic Development
GUO XIANG YU HEI LONG JIANG SHENG XIAN CHENG JING JI XUE HUI
China Agriculture Press Pub. Date :2009-03-01 /1991-01-01 Paperback
isbn-10: 7109138739 / isbn-13: 9787109138735
