000 00289nam a2200121Ia 4500
008 220201s1971 xx 000 0 eng d
082 _a338.5
_bVAReference
100 _aVaarshney (P.K)
245 0 _aManagerical Economics
260 _bS. Chand & co.
_c1971
300 _a300
942 _2ddc
999 _c1858
_d1858