流域生态环境保护或破坏活动的外部性研究
胡鹏;刘玉龙;杨丽
Study on Exteriority of Protection of Ecological Environment or Destructive Activities in a River Basin
HU Peng;LIU Yu-long;YANG Li
人民黄河 . 2009, (4): 11 -13 .