Flura, M., M. A. Alam, M. A. Rahman, T. Ahmed, and K. C. Roy. “Ecology and Water Quality Parameters of Balla Beel in Moulovibazar District of Bangladesh”. Asian Journal of Medical and Biological Research, vol. 1, no. 2, Nov. 2015, pp. 198-0, doi:10.3329/ajmbr.v1i2.25612.