Kemitare, G. R. ., and G. . Kibekityo. “An Analysis of the Short Term Effects of Covid 19 on Industries in Uganda”. Operations Research Society of Eastern Africa, vol. 11, no. 1, Dec. 2021, pp. 37-52, https://orseajournal.udsm.ac.tz/index.php/orsea/article/view/127.