S. . Mthethwa, T. . Gugushe, and P. . Nyalunga, “Throughputs of oral hygiene programmes offered at Sefako Makgatho Health Sciences: a retrospective comparison”, S. Afr. dent. j., vol. 76, no. 10, pp. 596–601, Jan. 2022, doi: 10.17159/2519-0105/2021/v76no10a2.