Technical tripartite meeting on the coal-mining industry, Geneva, May 1938 : report of the International Labour Office.

অনুরূপ উপাদানগুলি

• The four hour day in coal : a study of the relation between the engineering of the organization of work and the discontent among the workers in the coal mines /
  অনুযায়ী: Archbold, Hugh
  প্রকাশিত: (1922)
• Coal mining : report of the Technical Advisory Committee.
  প্রকাশিত: (1945)
• Coal mining and the coal miner /
  অনুযায়ী: Bulman, H. F.
  প্রকাশিত: (1920)
• Surface coal mining technology : engineering and environmental aspects /
  প্রকাশিত: (1981)
• Preliminaries of coal mining; prospecting-explosives-development-drainage-ventilation,
  অনুযায়ী: Kneeland, Frank H.
  প্রকাশিত: (1926)