21 shi ji Zhongguo ren kou yu zi yuan, huan jing, nong ye ke chi xu fa zhan =
Subtitle: Ershiyishiji Zhongguorenkou yu ziyuan huanjing nongye kechixufazhan
Edition: Di 1 ban edition
Publisher: Shanxi jing ji chu ban she
Published: 1997
Language: cmn
Format: Unknown Binding
Number of pages: 605
ISBN-13: 9787806361139