00722cam a22002177a 4500 ocm86028107 1999072600000000 910104s1987 sa 000 0 eng d 9780869814918 0869814915 eng 374.4 @ Professional education and practical training at a distance. Papers 4.1 : distance education conference, 18-21 May 1987 / compiler, David Adey. Pretoria : Unisa, 1987. xiv, 196 p. ; 21 cm. Conference chariman: F. van den Bogaerde. Bibliographies at the end of chapters. Teletuition. Adey, David. Distance Education Conference. 4191 4191