000 00275nam a2200109Ia 4500
008 190911s9999||||xx |||||||||||||| ||und||
100 _aHobsons ,international
245 0 _aDistance and supported open learning
260 _aLondon
_bPearson
_c1999
300 _a224
942 _cBK
999 _c6770
_d6770