000 00450nam a2200193Ia 4500
003 OSt
005 20260323103916.0
008 250729s1989 xx 000 0 und d
020 _a9788184110456
040 _cAL
041 _aeng
082 _a574 CHHT
100 _aM S Chhikkara
_9230342
245 _aTeaching of biology
260 _aLudhiana
_bPrakash Brothers
_c1989
300 _a230p
650 _aBiology
_9230343
942 _2ddc
_cBED
999 _c238734
_d238734