Echeverría-Sáenz, S., Mena, F., Arias-Andrés, M., Vargas, S., Ruepert, C., J. Van den Brink, P., Castillo, L.E. y Gunnarsson, J. (2018). In situ toxicity and ecological risk assessment of agro-pesticide runoff in the Madre de Dios River in Costa Rica. Environmental Science and Pollution Research, 25(14), 13270–13282.