Rujukan Menghisap paip

  1. 1 2 "pipe smoking". The Columbia Encyclopedia, Sixth Edition. Bartleby.com. Diarkibkan daripada yang asal pada August 29, 2008.
  2. ↑ Dunhill, Alfred, The Pipe Book Diarkibkan 2017-10-11 di Wayback Machine, London, A & C Black, 1924
  3. ↑ "National Trends in Drug Abuse". Diarkibkan daripada yang asal pada 2006-12-31. Dicapai pada 2006-12-10.
  4. ↑ Health Canada (September 19, 2017). "Page 5: National and provincial/territorial tobacco sales data 2019". www.canada.ca. Diarkibkan daripada yang asal pada December 11, 2017. Dicapai pada December 11, 2017.
  5. ↑ Health Canada (September 18, 2017). "Page 2: National and provincial/territorial tobacco sales data 2019". www.canada.ca. Diarkibkan daripada yang asal pada December 11, 2017. Dicapai pada December 11, 2017.
  6. 1 2 3 4 Viegas CA (2008). "Noncigarette forms of tobacco use". J Bras Pneumol. 34 (12): 1069–73. doi:10.1590/S1806-37132008001200013. PMID 19180343.
  7. ↑ "Origin of kapnismology".

Rujukan

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