00398nam a2200157   45000010005000000030003000050050017000080080041000250350018000660350017000840500022001011000025001232450056001482500011002042600025002157820UR20220428113110.0061102|||||||||||||||||||||||||||||||| d  a(janium) 7809  a(janium)7809 4aHD4901b.E34 20001 aEhrenberg, Ronald G.10aModern labor economicsb : theory and public policy  a7a ed.  bAddison Wesleyc2000