Alam, M. A., T. K. Pal, M. A. Chowdhury, M. A. Rashid, and M. S. Rahaman. “ Merr”. Journal of Scientific Research 5, no. 1 (December 29, 2012): 201–205. Accessed April 19, 2024. https://banglajol.info/index.php/JSR/article/view/10955.