00447nam a22001217a 450000500170000000800410001704000230005824501150008126000500019630000180024665000260026471000350029020230723160911.0230723b        |||||||| |||| 00| 0 eng d  aBD-DhBPAcBD-DhBPA  aSupervision :bThe magazine of industrial relations and operating management /cNational research bureau Inc.   aBurlington :bNational research bureau,c1973  aVols.c25 cm.  a industrial relations  aNational research bureau Inc.