Sultana, R., J. Akter, N. Nahar, M. Faruque, B. R. Ara, and M. K. Ahmed. “Perceptions about the Health Effects of Passive Smoking Among Bangladeshi Young Adults”. International Journal of Statistics in Medical Research, vol. 5, no. 4, Dec. 2016, pp. 248-54, doi:10.6000/1929-6029.2016.05.04.3.