@article{Rahal_2020, title={Low-cost sensors, an interesting alternative for air quality monitoring in Africa.}, volume={30}, url={https://cleanairjournal.org.za/article/view/9223}, DOI={10.17159/caj/2020/30/2.9223}, number={2}, journal={Clean Air Journal}, author={Rahal, Farid}, year={2020}, month={Dec.} }