Simwinga, A., and J. Phiri. “COVID-19 CONTACT TRACING USING ACCESS CONTROL AND FACEMASK RECOGNITION”. Proceedings of International Conference for ICT (ICICT) - Zambia, vol. 5, no. 1, Dec. 2023, pp. 94-101, https://ictjournal.icict.org.zm/index.php/icict/article/view/285.