ABRAHAM, S. M., C. SHAJI, P. JOSEPH, and J. P. MATHEW. “REVIEW ON HEAVY AND TRACE METAL STUDIES IN VEMBANAD LAKE ECOSYSTEM: SPECIAL REFERENCE TO COCHIN BACKWATERS”. UTTAR PRADESH JOURNAL OF ZOOLOGY, vol. 42, no. 24, Dec. 2021, pp. 253-64, https://mbimph.com/index.php/UPJOZ/article/view/2687.