1. Campaign for Tobacco-Free Kids. Standardized or plain tobacco packaging: international developments. Updated December, 2023. Accessed June 3, 2024. https://assets.tobaccofreekids.org/global/pdfs/en/standardized_packaging_developments_en.pdf
2. Singapore Ministry of Health. Standardised packaging & enlarged graphic health warnings mandatory for all tobacco products in Singapore from 1 July 2020. June 29, 2020. Accessed June 3, 2024. https://www.moh.gov.sg/news-highlights/details/standardised-packaging-enlarged-graphic-health-warnings-mandatory-for-all-tobacco-products-in-singapore-from-1-july-2020
3. Tobacco industry marketing adaptations to Singapore plain packaging
4. Smokers’ reactions to the new larger health warning labels on plain cigarette packs in Australia: findings from the ITC Australia project
5. Impact of Australia's introduction of tobacco plain packs on adult smokers’ pack-related perceptions and responses: results from a continuous tracking survey