developed jointly by the Trade and Industrial Education Branch of the U.S. Office of Educatiofn and the Office of Industrial Relations, U.S. Atomic Energy Commission
Date
1961
Series
Circular (United States. Office of Education); no. 642
OE (Series) (United States. Office of Education) ; 84015
developed jointly by the Trade and Industrial Education Branch of the U.S. Office of Education and the Office of Insustrial Relations, U.S. Atomic Energy Commission
Date
1961
Series
Circular (United States. Office of Education); no. 641
OE (Series) (United States. Office of Education) ; 84014