000 00322nam a2200157Ia 4500
100 _aILO
650 _aWork Study
942 _cBK
366 _f20
654 _awork study
245 _aIntroduction to work study
260 _bILO
_aGENEVA
_c2005
082 _a658.542/ILO
_bILO
300 _a524
546 _aENGLISH
999 _c30506
_d30506