International Labour Conference 49th session 1965 : the employment of young persons in underground work in mines of all kinds
Başlık:
International Labour Conference 49th session 1965 : the employment of young persons in underground work in mines of all kinds
ISBN:
9789221031314
Konferans Yazarı:
Yayım Bilgisi:
Geneva : International Labour Office, 1965
Fiziksel Açıklamalar:
57 s. ; 24 cm.
Genel Not:
Report IV (2)