Trümpelmann, M H2012-07-052012-07-051993Trümpelmann, M.H. 1993. Sosiale wetenskap en geskiedenis: geleentheid of verleentheid?. Yesterday & today = Gister en vandag, 26:3-9, Oct. [http://www.sashtw.org.za/index2.htm] [http://dspace.nwu.ac.za/handle/10394/5126]2223-0386http://hdl.handle.net/10394/6750otherArticle