庆城县环境保护志
By: "Qingcheng Xian huan jing bao hu zhi" bian wei hui bian
Edition: Di 1 ban.
Publisher: Gansu wen hua chu ban she
Published: 2012
Place of publication: Lanzhou Shi
Language: chi
Number of pages: 613
ISBN-13: 9787549003389
Subjects: Environmental protection; History; Environmental policy
Other titles: Qingcheng Xian huan jing bao hu zhi