甘肃省小陇山林业实验局天然林资源保护工程生态、社会与经济效益分析
감숙성소롱산임업실험국천연림자원보호공정생태、사회여경제효익분석
An Analysis on Ecological, Social and Economic Benefits of Natural Forest Resources Protection Project in Xiaolongshan Forest Experiment Bureau, Gansu Province