000 00281nam a2200121Ia 4500
008 230321s9999 xx 000 0 und d
082 _bSID
100 _aSiddiqui, M.H
245 0 _aDistance Learning Technology in Education
260 _bA.P.H
_c2004
300 _a325
942 _cBK
999 _c1258
_d1258