Productivity in coal mines
Subtitle: Third item on the adgenda.
Contributors: International Labour Organisation. Coal Mines Committee.
Publisher: n.p.
Published: 1951
Place of publication: Geneva
Language: eng
Number of pages: 177
Subjects: Coal mines and mining.; Coal miners.; Labor productivity.
Notes: At head of title: Report 3. International Labour Organisation. Coal Mines Committee. 4th session, Geneva, 1951