1. Hydrological and Environment Research Center, University of Carabobo, Naguanagua, Venezuela;
2. Agroindustrial Engineering Program, Lisandro Alvarado Central-Western University, Barquisimeto, Venezuela;
3. Environmental Research Group: Water, Air and Soil, University of Pamplona, Pamplona, Colombia;
4. Central University of Venezuela, Andres Bello Catholic University, Postgraduate Program in Environmental Engineering, National Academy of Engineering and Habitat, Caracas, Venezuela