Teaching to meet the challenges of the space age, A handbook in aerospace education for elementary school teachers. An aerospace introductional materials project of the Office of educational programs and services of the National aeronautics and space administration and the State university college at Plattsburgh, New York. Washington, U.S.gvn^jpg. off. ,1963.
År: 1963
Sider: 60
UDK: 1, 37 Oth, 629.19
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