000 00276nam a22001217a 4500
003 OSt
100 _aAgarwal, J C
245 _aSchool Prabandh Suchna Tatha Sampreshan Takniki
260 _aAgra
_bAggarwal Pub.
_c2013
300 _a520p.
901 _a1778BED
942 _2ddc
_cBK
999 _c37278
_d37278