The protection of young workers employed underground in coal mines

Författare
International Labour Office International Labour Organisation
(Coal Mines Committee, Third Session, Pittsburgh, April 1949., "Second Item on the Agenda", International Labour Organisation)
Genre
Ej skönlitteratur
Språk
Engelska
Förlag År Ort Om boken ISBN
International Labour Office 1948 Schweiz, Geneva 40 sidor.