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international labour conference 3rd session 1921 geneva
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Report on the adaptation to aricultural labour of the Washington decisions concerning the regulation of hours of work
International Labour Conference (3rd session 1921 Geneva) · International Labour Office
74 sayfa · 1921
Kategori yok
Report on the adaptation to aricultural labour of the Washington decisions concerning the protection of women and children
International Labour Conference (3rd session 1921 Geneva) · International Labour Office
89 sayfa · 1921
Kategori yok
