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008 220421s9999||||xx |||||||||||||| ||und||
020 _c260
_a9788170632665
040 _aBED
082 _a530.712 MAN-T
100 _aMangal, S. K.
_997
245 0 _aTeaching of physical sciences
250 _a1st
260 _bArya Book Depot
_aNew Delhi
_c2014
300 _a358p.
500 _a1557
650 _aFaculty of Education
_918744
942 _cBK
999 _c1557
_d1557