Philip, K., I. Muthee, B. Ngala, N. Musa, A. Wanyeri, and E. Gathoni. “Enforcement of the Digital Economy Taxation”. African Tax and Customs Review, Vol. 4, no. 1, Aug. 2021, p. 23, https://atcr.kra.go.ke/index.php/atcr/article/view/72.