Kainyu, Fridah, and Mary Mwadulo. “Analysis of Digital Contact Tracing Technologies Employed During COVID-19 Pandemic”. African Journal of Science, Technology and Social Sciences 1, no. 2 (December 23, 2022): 85–92. Accessed December 4, 2024. https://journals.must.ac.ke/index.php/AJSTSS/article/view/112.