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John W. Welch Mission to Guatemala August 7-September 18, 1965
John W. Welch
出版Office of Program Development and Coordination, Bureau of International Labor Affairs, U.S. Department of Labor, 1966
URLhttp://books.google.com.hk/books?id=c3WkwwEACAAJ&hl=&source=gbs_api
註釋Assistance with the planning, development, construction and display of a permanent safety exhibit with facilities to mobilize sections of the exhibit to be used in the interior of Guatemala.