G. Bardhan, P. K. Mohapatra, and S. K. Chaudhri, “Effect of fly-ash leachate on pigment and protein content of blue green algae (Anabaena doliolum)*”, Indian J Agri Sci, vol. 78, no. 5, May 2008, Accessed: Oct. 27, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/9802