G. Bharathan, “A SIMPLE TECHNIQUE FOR ESTIMATING CELL DENSITIES IN OUTDOOR MASS CULTURES OF PHYTOPLANKTON”, Indian J. Fish., vol. 33, no. 2, pp. 225–228, Sep. 2011, Accessed: Oct. 26, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJF/article/view/10903