Columbia subject headings:
Harvard subject headings:
Yejia Cun (Jingyuan Xian, Ningxia Huizu Zizhiqu, China)--Economic conditions.
Yejia Cun (Jingyuan Xian, Ningxia Huizu Zizhiqu, China)--Rural conditions.
Yejia Cun (Jingyuan Xian, Ningxia Huizu Zizhiqu, China)--Social conditions.
Princeton subject headings:
Yejia Cun (China)--Economic conditions.
Yejia Cun (China)--Rural conditions.
Yejia Cun (China)--Social conditions.