Hossain, M. A., M. S. Rahman, and M. Fatematuzzohra. “Attitude towards Birth Control of Married and Unmarried People of Chittagong”. Chittagong University Journal of Biological Sciences, vol. 6, no. 1-2, Nov. 2013, pp. 97-106, doi:10.3329/cujbs.v6i1-2.17087.