1. Integrated Water Resources Management;Agarwal,2000
2. Soil and Water Assessment Tool;Neitsch,2002
3. Statistical Yearbook Lam Dong, Dong Nai, Binh Tuan, Binh Phuoc, Dak Nong, Dalat, Dong Nai, Phan Thiet, Dong Xoai,2007
4. Crop Evapotranspiration—Guidelines for Computing Crop Water Requirements;Richard,1998
5. Nutztiere der Tropen;Legel,1990