C. Y. Wright, M. Benyon, N. Mahlangeni, T. Kapwata, T. Laban, and R. M. Garland, “Data gaps will leave scientists ‘in the dark’: How load shedding is obscuring our understanding of air quality”, S. Afr. J. Sci., vol. 119, no. 9/10, Aug. 2023, doi: 10.17159/sajs.2023/16009.