Welfare services in the iron and steel industry.

Manylion Llyfryddiaeth
Awduron Corfforaethol:	International Labor Office, International Labor Organization. Iron and Steel Committee
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Geneva, s.n., 1952.
Pynciau:	Iron and steel workers. Welfare work in industry.