000 00310nam a2200133Ia 4500
100 _aRumble, Greville
020 _a0-7099-4244-3
942 _cBK
654 _a
245 _aThe planning and management of distance education
260 _aLondon
_bCroom Helm
_c1986
082 _a374.4
300 _bHb
_a4260
999 _c364574
_d364574
041 _aeng