Gopinathan, C. P., Nair, P. V. R., & Nair, A. K. K. (2011). STUDIES ON THE PHYTOPLANKTON OF THE COCHIN BACKWATER A TROPICAL ESTUARY. Indian Journal of Fisheries, 21(2), 501-513. https://epubs.icar.org.in/index.php/IJF/article/view/12326