000			00540nam a2200145 4500
999			_c5410 _d5410
008			190716b ||||| |||| 00| 0 eng d
020			_a0-415-08942-5
082			_220th _a378.03 THE
100			_aKeegan,Desmond.
245			_atheoretical principles of distance education/ _cDesmond Keegan.
260			_aLondon: _bRoutledge, _cc 1993.
300			_aix,272p.:ill.;col. _bincludes blbliographical references and index. _c22 cm.
650			_vEducation--Aims and objectives _xEducational technology _yDistance education _ztitle
942			_2ddc _cBOOK