Paul, A., M. Talukder, K. Begum, and M. Rahman. “Epidemiological Investigation of Paramphistomiasis in Cattle at Selected Areas of Sirajgonj District of Bangladesh”. Journal of the Bangladesh Agricultural University, vol. 9, no. 2, June 2012, pp. 229-32, doi:10.3329/jbau.v9i2.10992.