000 00329nam a22001457a 4500
020 _a9788174508126
082 _bNAT/SC
100 _aNational Council of Educational and Research
130 _aScience
245 _aScience
_bTextbook for class:8
250 _a1
260 _aNew Delhi
_c1929
300 _a256p.
942 _cBK
999 _c6677
_d6676