Rosales, Luis Eduardo, and Sonia Sánchez Mateo. “Use of Benthic Macroinvertebrates As Bioindicators of Water Quality in the River Palacagüina, North of Nicaragua”. Revista Científica Estelí, no. 8, May 2016, pp. 66-75, doi:10.5377/farem.v0i8.2621.