00669nam0-2200241 --450 991063819570332120230118132904.020230118d1961----kmuy0itay5050 baengUS 001yyLabor problems and processesa surveyL. Reed TrippNew YorkHarper & brothersc1961XVIII, 510 p.21 cm331.097323itaTripp,L. Reed1273061ITUNINAREICATUNIMARCBK9910638195703321VII I 1266000FGBCFGBCLabor problems and processes2999339UNINA