Nguyen, V. K. ., O. V. Vo, and D. N. . Huynh. “Comparing the Costs and Benefits of Floating Rice-Based and Intensive Rice-Based Farming Systems in the Mekong Delta”. Asian Journal of Agriculture and Rural Development, vol. 5, no. 9, Sept. 2015, pp. 202-17, http://archive.aessweb.com/index.php/5005/article/view/1402.