Das SCS, Datta S, Pal AK. ARSENIC LEVEL IN THE SURFACE WASTEWATERS OF KOLKATA AND ITS IMPLICATION ON SEWAGE- FED FISHERIES. J. Indian Fish. Assoc. 2006;32. Accessed October 24, 2025. https://epubs.icar.org.in/index.php/JIFA/article/view/56728