000 00334nam a2200133Ia 4500
005 20250612122233.0
008 250601s1998 xx 000 0 eng d
020 _a8170247195
100 _aSunil Behari
245 0 _aInproing university and college teaching
260 _aDelhi
_bkalyani pub.
_c1998
300 _a330
942 _2ddc
_cBK
999 _c1860
_d1860