000 00243nam a22001217a 4500
003 OSt
100 _aChaubey, A P
245 _aBal Vikas
250 _a4th ed.
260 _aAgra
_bAgarwal Publication
_c2015
300 _a256p.
942 _2ddc
_cBK
999 _c4085
_d4085