Eco-economic Benefit Evaluation of Soil Conservation Service of Cropland Conversion Program:a Case Study of Yuanzhou District in Guyuan City[J]. 2004, 18(1): 161-163.
Eco-economic Benefit Evaluation of Soil Conservation Service of Cropland Conversion Program:a Case Study of Yuanzhou District in Guyuan City[J]. 2004, 18(1): 161-163.DOI: