Van Rooi, L. “Identity, Boundaries and the Eucharist. In Search of the Unity, Catholicity and Apostolicity of the Church from the Fringes of the Kalahari Desert”. NGTT | Nederduitse Gereformeerde Teologiese Tydskrif, vol. 51, no. 1&2, June 2010, doi:10.17570/ngtt.2010.v51n1.a16.