Páramo-Aguilera, L.A, T.S Garmendia, and J. Villalta-Domínguez. 2018. “Molecular Tools for Study the human´s Drinkable Water from Cacao, Mozonte, Nueva Segovia, Nicaragua”. Nexo Scientific Journal 31 (01):01-15. https://doi.org/10.5377/nexo.v31i01.6450.