000 00348nam a2200133Ia 4500
100 _aNational Council of Educational Research and Training
365 _b65
942 _cBK
654 _a
245 _aUnderstanding economic development
_bSocial science textbook for class X
260 _aNew Delhi
_bNCERT
_c2015
082 _a330
300 _a92
999 _c402429
_d402429
041 _aeng