000 00270nam a22001217a 4500
003 OSt
100 _aMathur, S S
245 _aShikshan Kala Avam Shaikshik Takniki
250 _a23th ed.
260 _aAgra
_bAgarwal Publication
_c2013
300 _a200p.
942 _2ddc
_cBK
999 _c4927
_d4927