Xu Zhi-yun. Elementary Analysis to Optimum Program of Comprehensive Control of Soil and Water Conservation at Small Watershed[J]. Bulletin of Soiland Water Conservation, 1996, 15(1): 97-101.
Xu Zhi-yun. Elementary Analysis to Optimum Program of Comprehensive Control of Soil and Water Conservation at Small Watershed[J]. Bulletin of Soiland Water Conservation, 1996, 15(1): 97-101.DOI: