Nammalwar, P.Sabu, A. S.2017-04-122017-04-122003http://krishikosh.egranth.ac.in/handle/1/5810007611en-USCopper, Cadmium, Zinc, Shrimps, Penaeus Semisulcatus, Physiology, ToxicologySome Aspects On Ecotoxicology And Ecophysiology Of Shrimp Penaeus Semisulcatus (De Haan, 1844) To Copper, Cadmium And ZincThesis