Bardhan, Gopali, P K Mohapatra, and S K Chaudhri. 2008. “Effect of Fly-Ash Leachate on Pigment and Protein Content of Blue Green Algae (Anabaena doliolum)*”. The Indian Journal of Agricultural Sciences 78 (5). https://epubs.icar.org.in/index.php/IJAgS/article/view/9802.