Clayton, S., & Myers, G. (2017). Conservation psychology (2nd ed.). UK: Wiley Blackwell
Edwards, J. B., McKinnon, A. C., & Cullinane, S. L. (2009). Carbon auditing the “Last Mile”: Modelling the environmental impacts of conventional and online non-food shopping. In A. Beresford (Ed.), Proceedings of the 14th Annual Logistics Research Network Conference. Cardiff, UK.
Goldstein, N. J., Cialdini, R. B., & Griskevicius, V. (2008). A room with a viewpoint: Using social norms to motivate environmental conservation in hotels. Journal of Consumer Research, 35(3), 472-482. doi: 10.1086/586910
Gov.UK. (2016). Packaging waste: producer responsibilities. Retrieved from https://www.gov.uk/guidance/packaging-producer-responsibilities#legislation-and-regulations
Gupt, Y., & Sahay, S. (2015). Review of extended producer responsibility: A case study approach. Waste Management & Research, 33(7), 595-611. doi: 10.1177/0734242X15592275
Hicks, R. (2019, June 6). What will Singapore’s producer responsibility laws mean for businesses? Eco-Business. Retrieved from https://www.eco-business.com/news/what-will-singapores-producer-responsibility-laws-mean-for-business/
Mangiaracina, R., Marchet, G., Perotti, S., & Tumino, A. (2015). A review of the environmental implications of B2C e-commerce: A logistics perspective. International Journal of Physical Distribution & Logistics Management, 45(6), 565-591. doi: https://doi.org/10.1108/IJPDLM-06-2014-0133
Moser, C., Schoenebeck, S. Y., & Resnick, P. (2019). Impulse buying: Design practices and consumer needs. CHI Conference on Human Factors in Computing Systems Proceedings. doi: https://doi.org/10.1145/3290605.3300472
Monsuwe, T. P. Y., Dellaert, B. G. C., & Ruyter, K. D. (2004). What drives consumers to shop online? A literature review. International Journal of Service Industry Management, 15(1), 102-121. doi: 10.1108/09564230410523358
Mungcal, A. K., Chong, D., & Tan, J. (2019, April 19). War on waste: The dirty (brown) secret of e-commerce. The Straits Times. Retrieved from https://graphics.straitstimes.com/STI/STIMEDIA/Interactives/2019/04/earth-day-online-shopping-packaging-waste-fails/index.html
Ng, J. S. (2018, December 11). Singapore shoppers 2nd in Asia Pacific for buying foreign goods online: Study. The Straits Times. Retrieved from https://www.straitstimes.com/singapore/spore-shoppers-2nd-in-asia-pacific-for-buying-foreign-goods-online-study
Redda, E. H. (2019). Attitudes towards online shopping: Application of the theory of planned behaviour. Acta Universitatis Danubiu, 15(2), 148-159.
Singapore Airlines. Sustainability Report AY17/18. Retrieved from https://www.singaporeair.com/saar5/pdf/Investor-Relations/Annual-Report/sustainabilityreport1718.pdf
United Nations Industrial Development Organization. (2017). Leather Carbon Footprint & Review of the European Standard EN 16887. Retrieved from https://leatherpanel.org/sites/default/files/publications-attachments/leather_carbon_footprint_p.pdf
Xi, G. L., Cao, J., Zhen, F., & Xu, F. F. (2018). The interaction between e-shopping and store shopping: Empirical evidence from Nanjing, China. The International Journal of Transportation Research. doi: 10.1080/19427867.2018.1546797
Yang, S., Li, L., & Zhang, J. M. (2018). Understanding consumers’ sustainable consumption intention at China’s Double-11 online shopping festival: An extended theory of planned behaviour model. Sustainability, 10(6). doi: 10.3390/su10061801