000 00296nam a22001217a 4500
999 _c13058
_d13058
005 20220204095049.0
008 220204b ||||| |||| 00| 0 eng d
100 _aMANGAL,A.K.
245 _aSADHARAN VIGYAN SHIKSHAD
260 _aNEW DELHI
_bARYA BOOKS
_c2002
300 _a255p.
942 _2ddc
_cBK