000 00275nam a22001217a 4500
003 OSt
082 _a507 MAN
100 _aMangal, P K
245 _aPath Yojnayen : Vigyan Shikshan Kaksha VII
260 _aAgra
_bAgarwal Publication
_c2015
300 _a86p.
942 _2ddc
_cBK
999 _c4247
_d4247