000 00251nam a2200121Ia 4500
008 230321s9999 xx 000 0 und d
082 _bKHA
100 _aKhan, M.S
245 0 _aSchool Teaching
260 _bA.P.H
_c2004
300 _a108
942 _cBK
999 _c1253
_d1253