P.K. Dhanalakshmi, B. Anusha PP. Effect of Humic Acid on Spirulina plantisis Production and Analysis of Nutrient Contents. RRST [Internet]. 2011 Jan. 1 [cited 2024 May 5];3(1). Available from: https://updatepublishing.com/journal/index.php/rrst/article/view/559