1. https://vapingfacts.health.nz/vaping-to-quit-smoking/what-vape-should-i-get/what-vape-liquid-should-i-get.htmI
2. https://www.lung.org/quit-smoking/smoking-facts/whats-in-a-cigarette
3. https://www.smokefreeworld.org/our-vision/
4. https://www.jti.com/eu rope/united-kingdom/reduced-risk-products
5. https://www.swissre.com/dam/jcr:91a5a7bb-c4f0-4092-8935-24fc700ce347/Presentation+John+Schoonbee.pdf
6. https://www.athra.0rg.au/blog/2019/12/23/vaping-is-95-safer-than-smoking-fact-or-factoid/
7. https://www.lung.org/quit-smoking/e-cigarettes-vaping/whats-in-an-e-cigarette
8. https://www.federalregister.gov/documents/2010/08/18/2010-20318/diethylene-glycol-deg­exemption-from-the-requirement-of-a-tolerance
9. https://vaping360.com/learn/vape-wire-types/
10. http://rajpatra.dop.gov.np/welcome/book?ref=25192