000 00283 a2200121 4500
020 _a9788120332805
082 _a37.015.3=811.214.21 MAN
245 _aSiksha manovigyan
260 _bPHI Learning Private Limited
_c2014
300 _axvi, 768 p
942 _cBK
100 _aMangal, S.K.
999 _c2360
_d2360