000 00279nam a22001217a 4500
003 OSt
100 _aChaudhary, Lakharam
245 _aShaikshik Pradhyogki Avam Anusandhan
250 _a2nd ed.
260 _aAgra
_bAgarwal Publication
_c2014
300 _a239p.
942 _2ddc
_cBK
999 _c4588
_d4588