Maniruzzaman, Md, Md Akhter Hossain Chowdhury, Tanzin Chowdhury, and A B M Masud Hasan. “Critical Leaf S Concentration and S Requirement of Stevia Grown in Two Different Soils of Bangladesh”. Fundamental and Applied Agriculture 1, no. 3 (September 8, 2016): 106–111. Accessed November 24, 2024. http://f2ffoundation.org/faa/index.php/home/article/view/68.