Trümpelmann, M H2012-08-282012-08-281989Trümpelmann, M.H. 1989. Suid-Afrikaanse vereniging vir Geskiedenisonderrig / South African Society for History teaching. Yesterday & today = Gister en vandag, 17:26-27, Apr. [http://www.sashtw.org.za/index2.htm] [http://dspace.nwu.ac.za/handle/10394/5126]2223-0386http://hdl.handle.net/10394/7085otherArticle