M. A. I. Khan, M. A. Sakib, M. K. Podder, M. Mainuddin, and B. K. Tarafder, “Socio - Demographic Profile of Patients Attending in Outpatient Department in a General Hospital - An Observational Study”, Khwaja Yunus Ali Medical College Journal, vol. 3, no. 2, pp. 294–297, Jun. 2013.