M. Ángel Osejos Merino, M. V. Merino Conforme, and M. C. Merino Conforme, “Incidence of artisanal fisheries in the contamination of the beach town Puerto Lopez, Manabi Province - Ecuador”, Rev. Inst. investig. Fac. minas metal cienc. geogr, vol. 20, no. 40, pp. 18–27, Dec. 2017, doi: 10.15381/iigeo.v20i40.14385.