Kapp, P H2012-07-092012-07-091992Kapp, P.H. 1992. Doelstellings, doelwitte en kriteria. Yesterday & today = Gister en vandag, 24:3-10, Oct. [http://www.sashtw.org.za/index2.htm] [http://dspace.nwu.ac.za/handle/10394/5126]2223-0386http://hdl.handle.net/10394/6777otherArticle