000 00254nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aMangal, S.K.
245 0 _aTechnology Of Teaching
260 _aNew Delhi
_bABD
_c2003
300 _a346p.
942 _cBK
999 _c11407
_d11407