000 00279 a2200121 4500
020 _a81-87248-02-5
082 _a025 Sud.N8
100 _qSood, S.P.
245 _aPralekhan Evam Suchna Vigyan
260 _aJaipur
_bRaj Publishing House
300 _b323p.
942 _2ddc
_cBK
999 _c299950
_d299950