000 00334nam a2200133Ia 4500
008 221001s1969 xx 000 0 eng d
082 _a658 GUP
100 _aGupta, B. N.
245 0 _aAudhyogik sangathan avam sevivargiya prabandh
250 _a4th ed.
260 _aAgra
_bSahitya Bhawan
_c1969
300 _a397p.
942 _2ddc
_cBK
999 _c9104
_d9104