000 00416 a2200181 4500
020 _a0333929039
082 _a338.5201
_bRYA
090 _c24339
_d40145
100 _aRyan, W.J.L.
245 _aPrice theory
260 _aNew Delhi
_bMacmillan
_c1958
_g1996
300 _axvi,400p.
_c22cm
650 _aProductions
650 _aTheory
650 _aPrice
650 _aGeneral production economics
942 _cL
999 _c51457
_d51457