1. Agency for Toxic Substances and Disease Registry, Division of Toxicology and Environmental Medicine. (1996). Toxicological profile for benzene. Public Health Statement, Atlanta, GA, USA. https://wwwn.cdc.gov/TSP/ToxProfiles/ToxProfiles.aspx?id=40&tid=14.
2. Airpop Auckland. (2022). Recycling airpop in New Zealand. https://airpop.co.nz/recycling/
3. Renewable aromatics from the degradation of polystyrene under mild conditions;Aljabri;Journal of Saudi Chemical Society,2018
4. Auckland Council. (2018). Auckland's waste assessment 2017. ISBN: 978-1-98-855542-3 (Print) 978-1-98-855543-0 (PDF) https://www.aucklandcouncil.govt.nz/plans-projects-policies-reports-bylaws/our-plans-strategies/topic-based-plans-strategies/environmental-plans-strategies/docswastemanagementplan/waste-assessment-2017.pdf.
5. Effective polyelectrolytes synthesised from expanded polystyrene wastes;Bajdur;European Polymer Journal,2002