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005 20250930104057.0
008 981208s1971 xxk 00 eng
020 _a0333128400
035 _a564534
039 9 _y08-18-1999
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090 _aHB241.H4
090 _aHB241
100 1 _aHeathfield, David F
_937587
245 1 0 _aProduction functions
_cDavid F. Heathfield
260 _aLondon
_bMacMillan
_c1971
300 _a91 p. ; 21 cm.
504 _ap. 87-91
590 _a1
650 _aProduction (Economic theory)
_xMathematical models
907 _a.b11887448
_b2021-05-28
_c2019-11-12
942 _c01
_n0
_kHB241.H4
914 _avtls000195194
990 _awan
991 _aFakulti Ekonomi
998 _at
_b1999-05-08
_cm
_da
_feng
_gxxk
_y0
_z.b11887448
999 _c190328
_d190328