Niveau de mécanisation et mode de rémunération :
recherche sociologique effectuée ans la sidérurgie.

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Limited (search only)   t.1 Pennsylvania State University
Limited (search only)   t.2 Pennsylvania State University
Limited (search only)   t.3 Pennsylvania State University
Limited (search only)   t.4 Pennsylvania State University
Limited (search only)   t.5 Pennsylvania State University
Limited (search only)   t.6 Pennsylvania State University
Limited (search only)   t.7 Pennsylvania State University