Mahmoodabad, S. S. M., I. Zareban, M. H. F. Zadeh, and M. S. Jadgal. “Classification and Analysis of Guild Merchants Using Smokeless Tobacco in Chabahar, Iran, Based on the Transtheoretical Model”. Update Dental College Journal, vol. 9, no. 1, Apr. 2019, pp. 16-22, doi:10.3329/updcj.v9i1.41201.