引用本文: | 康成福, 夏自谦. 张家口市退耕还林工程可持续发展的思考[J]. 北京林业大学学报(社会科学版), 2008, 7(1): 53-58. |
Citation: | KANG Cheng-fu, XIA Zi-qian. Some Thoughts on Sustainable Development of Grain for Green Project in Zhangjiakou City,Heibei Province[J]. Journal of Beijing Forestry University (Social Science), 2008, 7(1): 53-58. |