000 00253nam a2200109Ia 4500
008 220201s1993 xx 000 0 eng d
100 _aYADEV K
245 0 _aTEACHING OF LIFE SCIENCES
260 _aDELHI
_bANMOL PUB
_c1993
300 _a282
942 _2ddc
999 _c91660
_d91660