REFERENCES

   - AARP. (2019). Clean Up A River!. Avaliable in: https://createthegood.aarp.org/volunteer-guides/clean-up-a-river.html

- Anil, A. (2018). Utilizing Artificial Intelligence for Environmental Sustainability. Avaliable in: https://moderndiplomacy.eu/2018/11/30/utilizing-artificial-intelligence-for-environmental-sustainability/

- Carvajal, E. (2017). ¿Qué hay en un vaso de agua del río Medellín?. Avaliable in: https://www.elcolombiano.com/antioquia/calidad-del-agua-del-rio-medellin-FD6126430

- QUORA. (2018). What are the techniques or ways to clean river?. Avaliable in: https://www.quora.com/What-are-the-techniques-or-ways-to-clean-river

-  NRDC. (2018). Water Pollution: Everything You Need to Know. Avaliable in: https://www.nrdc.org/stories/water-pollution-everything-you-need-know

- RedRío. (2017). ¿Cuál es la calidad del río Aburrá-Medellín?. Avaliable in: http://www.udea.edu.co/wps/portal/udea/web/inicio/udea-noticias/udea-noticia/!ut/p/z0/fYwxD4IwEIX_igsjuYpYdSQOJsbBwRjoYs6W6GntQSnEn2_Rwbi4XN738r0DBSUohwNdMBA7tJErJU_L1TqbFrnYCZlLUch9Pl9km9nhKGAL6r8QP9CtbVUBSrML9TNA2bAPaHtTYyKw-6UrP-pPHu_EcSBN2CXivXZkeLS-9UAmurpHm2q0EUzqiVM8994jNHdVvQDbr1Ah/