000 00264nam a2200109Ia 4500
008 230125s9999 xx 000 0 und d
100 _aTripathi Sita
_96813
245 0 _aTeaching of Science
260 _bRakhi Prakshan Agra
_c2017
300 _a134
942 _cBK
999 _c116585
_d116585