1. World Health Organization. (2019). Tobacco factsheet 2019. https://www.who.int/news-room/fact-sheets/detail/tobacco
2. World Health Organization. (2019). WHO Report on the Global Tobacco Epidemic, 2019: Offer help to quit tobacco use. Geneva, Switzerland: World Health Organization
3. 2019. Retrieved February 19, 2020, from https://apps.who.int/iris/bitstream/handle/10665/326043/9789241516204-eng.pdf?ua=1.
4. GBD 2015 Tobacco Collaborators. (2017). Smoking prevalence and attributable disease burden in 195 countries and territories, 1990–2015: A systematic analysis from the Global Burden of Disease Study 2015. Lancet, 398(10082), 1185–1906.
5. Otañez, M. G., Mamudu, H. M., & Glantz, S. A. (2009). Tobacco companies’ use of developing countries’ economic reliance on tobacco to lobby against global tobacco control: The case of Malawi. American Journal of Public Health, 99(10), 1759–1771.