Le, T., L. Che, and T. Nguyen. “Comparing the Results of Water Quality Assessment by Fuzzy Comprehensive Evaluantion Method and the Water Quality Index: A Case Study in the Dong Nai River”. Science and Technology Development Journal, Vol. 17, no. 2, June 2014, pp. 40-49, doi:https://doi.org/10.32508/stdj.v17i2.1301.