Gassman, Philip W., and Wang Yingkuan. “IJABE SWAT Special Issue: Innovative Modeling Solutions for Water Resource Problems”. International Journal of Agricultural and Biological Engineering, vol. 8, no. 3, June 2015, pp. 1-8, https://ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/1763.