Co-operation with the central mining research station Dhanbad, India . Report prepared for the Government of India by the International labour organisation, acting as the executing Agency for the United Nations special fund
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Co-operation with the central mining research station Dhanbad, India . Report prepared for the Government of India by the International labour organisation, acting as the executing Agency for the United Nations special fund
Organisation internationale du travail, Inde, Nations Unies
Autre
Première publication : 1965