1. Eriksen, M. P., Mackay, J., & Ross, H. The tobacco atlas. Atlanta, GA: American Cancer Society, 2012; 72.
2. NIH, 2020. https://www.cancer.gov/publications/dictionaries/cancer-terms/def/tobacco Accessed on 10/07/20.
3. Seraji, R. A. N., Navaey, H. N., Ali, S. O., & Eslami, H. Evaluating resistance to drought stress in flue-cured tobacco varieties via stress susceptibility indexes in dry farming conditions. International Journal of Farming and Allied Sciences, 2014; 3(4), 373-376.
4. West, R. Tobacco smoking: Health impact, prevalence, correlates and interventions. Psychology & health, 2017; 32(8): 1018-1036. https://doi.org/10.1080/08870446.2017.1325890.
5. Walters, S. 4.2 Altering Consciousness With Psychoactive Drugs. Psychology-1st Canadian Edition, 2020.