Al-Dubai, S., K. Ganasegeran, M. Alshagga, A. Hawash, W. Wajih, and S. Kassim. “The Role of Psychosocial and Belief Factors in Self-Reported Cigarette Smoking Among University Students in Malaysia”. Health Psychology Research, Vol. 2, no. 1, Jan. 2014, doi:10.4081/hpr.2014.1195.