000 00272nam a2200109Ia 4500
008 230125s9999 xx 000 0 und d
100 _aParihar Amarjeet
_917808
245 0 _aTeaching of Science
260 _bMeerut R. Lal Book Dipo
_c2016
300 _a162
942 _cBK
999 _c116301
_d116301