000 00410 a2200169 4500
999 _c40123
_d41670
003 ISURa
008 170711b xxu||||| |||| 00| 0 eng d
020 _a8171813844
041 _aEnglish
082 _a570
_bCHO
100 _aChowdhary, Neena
_935763
245 _aEssential biology
260 _c1995
_aNew Delhi
_bLearners
300 _bill.
_c18 cm.
_a176 p.
650 _aBIOLOGY
_944650
942 _cSR
_2ddc