000 00271nam a2200109Ia 4500
008 200129s9999 xx 000 0 und d
082 _aNCE-S
100 _aNCERT
245 0 _aSOCIAL SCIENCE : OUR ENVIRONMENT , GEOGRAPHY FOR CLASS 7
260 _bNCERT
_c2017
942 _cBK
999 _c3791
_d3791