De Meyer, Oelof, Richard Okou, Adoniya Benaya Sebitosi, and Pragasen Pillay. “Practical Considerations for Low Pressure Solar Water Heaters in South Africa”. Journal of Energy in Southern Africa 25, no. 3 (September 23, 2014): 36–45. Accessed May 2, 2024. https://energyjournal.africa/article/view/2656.