00643cam a2200169@i 4500008004100000020001800041020001500059041000800074044000700082082001700089082001600106082001600122111008700138245017700225260005100402700002000453901123s1987    sa            000 0 eng d  a9780869814932  z0869814931  beng  asa  a378.03219th  a371.2219th  a371.8219th2 aDistance Education in Southern Africa Conferenced(1987 :cPretoria, South Africa)10aPapers.n5,pAdministration and student support in distance education :bDistance Education in Southern Africa; preparing for the 21st century [Conference], 18-21 May 1987.  aPretoria :bUniversity of South Africa,c1987.1 aJorissen,dH W.