Fraser, W. J. Didaktiek vir die voorgraadse student / W.J. Fraser, C.P. Loubser, M.P. van Rooy. - Durban : Butterworths, 1990. - 203 pages : illustrations ISBN: 0409101923 9780409101928 Subjects--Topical Terms: Teaching. Dewey Class. No.: 371.3