000 00349nam a2200157Ia 4500
008 131111s9999 xx 000 0 und d
100 _aSood,J.K.
245 _aTeaching life science
260 _aChandigarh
260 _bKohli
260 _c1987
300 _a253p.
650 _aEducation
_aTeaching
_aEnglish
763 _a10222
942 0 0 _02
999 _c39721
_d39721