00503nam a2200205Ia 4500003000400000005001700004006001800021007000300039008004100042024001100083037002600094040001800120041001300138082002200151110003300173245003400206260000900240300001500249700003300264OSt20220927104655.0a|||||r|||| 00| 0ta220926b        |||||||| |||| 00| 0 eng d  a151807  cReference Collections  aRTLcRTLbeng  2engaeng  a"X:9.1.N6, K9/UN"  aInter National Labour Office 0aMeasuring labour productivity  c1969  a172p.ccm.  aInter National Labour Office