00323nam a2200109Ia 450000500170000008000180001724500900003526000350012530000170016058300180017765000180019520260716043701.0 a13.03.02 M484 aMeasurement and valuation of unpaid contribution : accounting through time and output bINSTRAWaSanto DomingoDOc1995 axxiv, 124 p. c5/15/06kJOYD aDOMESTIC WORK