00513nam a2200181Ia 4500001001100000005001700011008004300028020001500071041000800086050001900094245006700113260005000180300000700230650002800237650002300265650002800288999001500316000001530120251012174538.0        s1973    uk                      c  a08717919000 aeng00aHD56bG74 197310aA practical guide to productivity measurementcLeon Greenberg   aWashingtonbBureau of National Affairsc1973   ap. 0aIndustrial productivity 0aLabor productivity 0aProductivity accounting  c5812d5812