Egas, Fidel, Universidad de Guayaquil, Ecuador
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Investigación, Tecnología e Innovación Vol. 4 No. 4 (2012) - Article
Determination of heavy metals (cd & pb) in bivalve molluscs of commercial interest (anadara tuberculosa i 2 & a. Grandes) puerto el morro, Ecuador
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Investigación, Tecnología e Innovación Vol. 2 No. 2 (2010) - Article
Evaluation of the level of bacteriological pollution in water and sediment of the estuary, and his relation with the quality ofthe underground water of the commune Cerrito de los Morreños, gulf of Guayaquil - Ecuador
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