DIANA NEILLE, MARELISE VAN DER MERWE & LEILA DOUGAN. "Cape of Storms To Come". features.dailymaverick.co.za. Archived from the original on 23 June 2018. Retrieved 3 November 2017.
M. Visser, M.J. Booysen, K. Berger, J. Brühl (2019). "Saving water at Cape Town schools by using smart metering and behavioural change", Working paper. https://doi.org/10.31224/osf.io/7kzwv
M.J. Booysen, B. Wijesiri, C. Ripunda, A. Goonetilleke, (2019). "Fees and governance: Towards sustainability in water resources management at schools in post-apartheid South Africa", Vol 51, Sustainable Cities and Society. Published: https://doi.org/10.1016/j.scs.2019.101694. (Open access: https://doi.org/10.31224/osf.io/5wy8s)
DIANA NEILLE, MARELISE VAN DER MERWE & LEILA DOUGAN. "Cape of Storms To Come". features.dailymaverick.co.za. Archived from the original on 23 June 2018. Retrieved 3 November 2017.