D.S.R.S. Prakash; P Vijaya Nirmala; D. Kalyani. Analysis of Accumulation of Heavy Metals (Copper, Zinc, Iron, Cadmium and Lead) in Polynemus Tetradactylus, Environment Pollution from East Godavari District-Andhra Pradesh, India. ijlsci 2021, 9, 231-236.