000 00325nam a2200121Ia 4500
008 241226s9999 xx 000 0 und d
020 _a8174506365
082 _a600
_bNCE
100 _aNCERT.
245 0 _aScience (ClassX)
260 _aNew Delhi
_bNational Council of Educational Research and Trainin
_c2019
300 _a282.
999 _c178949
_d178949