000 00281nam a22001217a 4500
003 OSt
100 _aAggarwal, J. C.
245 _aShaikshik Takniki Avam Prabandh Ke Aadhar
250 _a2nd ed.
260 _aAgra
_bAgarwal Publication
_c2015
300 _a459p.
942 _2ddc
_cBK
999 _c4682
_d4682