Rahman, M. A., M. S. Rana, M. M. Zaman, S. A. Uddin, and R. Akter. “/I>”;. Journal of Scientific Research 2, no. 1 (December 29, 2009): 169–177. Accessed November 25, 2024. https://banglajol.info/index.php/JSR/article/view/2872.