000 00318nam a2200133Ia 4500
100 _aInternational Labour Organisation
942 _cBK
654 _aWork Study
245 _aIntd. to Work Study
260 _bInternational Labour Organisation
_aGENEVA
_c1971
082 _a658.5
300 _a436
546 _aENGLISH
999 _c25567
_d25567