1. World Health Organization (WHO). (2021). “Water safety and quality” https://www.who.int/teams/environment-climate-change-and-health/water-sanitation-and-health/water-safety-and-quality
2. National Geographic. (2011) “Source”, https://www.nationalgeographic.org/encyclopedia/source/.
3. The performance of classification and forecasting Dong Nai River water quality of sustainable water resources management using neural network techniques;Than;Journal of Hydrology,2021
4. Development of index of resilience for surface water in watersheds;Ortega;J. Urban Environ. Eng.,2016
5. First development of the Malaysia river integrity index (MyRII) based on biological, chemical and physical multi-metrics;Ng;Journal of Environment Management,2020