1. World Health Organization. WHO report on the global tobacco epidemic 2019: offer help to quit tobacco use. World Health Organization; 2019. Accessed October 11, 2021. https://www.who.int/publications/i/item/9789241516204
2. World Health Organization. Tobacco. World Health Organization; 2021. Accessed October 11, 2021. https://www.who.int/news-room/fact-sheets/detail/tobacco
3. WHO Framework Convention on Tobacco Control. Guidelines for implementation of Article 8. Accessed October 11, 2021. http://www.who.int/fctc/guidelines/adopted/article_8/en/
4. Correlates of exposure to secondhand smoke (SHS) at home among non-smoking adults in Bangladesh: findings from the ITC Bangladesh survey
5. World Health Organization. Global Adult Tobacco Survey Fact Sheet. In Chinese. Accessed October 11, 2021. https://www.who.int/docs/default-source/wpro---documents/countries/china/2018-gats-china-factsheet-cn-en.pdf?sfvrsn=3f4e2da9_2