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3
Washington : ACTION, 1975
Rev. ed.

Government Document Book
4
Harrisburg, Pa. : Pennsylvania Department of Education, 1994

Government Document Book
5
[Washington] National Science Foundation [For sale by Supt. of Docs., U.S. Govt. Print. Off., 1969

Book
6
Toronto : New York : OISE Press ; Teachers College Press, 1991

Book
7

Government Document Serial
8
[Bethesda, MD : Biomedical Research Support Program, National Center for Research Resources, National Institutes of Health, 1991

Government Document Book
9

Government Document Journal
10
Cincinnati : U.S. Dept. of Health, Education, and Welfare, Public Health Service, Center for Disease Control, National Institute for Occupational Safety and Health, Division of Training and Manpower Development, 1977

Book
11
Columbus, OH : Washington, D.C. : Eisenhower National Clearinghouse for Mathematics and Science Education ; U.S. Dept. of Education, 1999

Government Document Book
12

Book
13
by Harbeck, Mary Blatt
Washington : National Science Supervisors Association, a section of the National Science Teachers Association, 1967

Book
14
Washington, D.C. : National Science Foundation, 1987

Government Document Book
15
by Creswell, John W.
Washington, D.C. : Association for the Study of Higher Education, 1985

Government Document Book
17
Washington, D.C. : Directorate for Science and Engineering Education, National Science Foundation, 1985

Government Document Book
18
Washington, DC : National Academy Press, 2001

Book
19
by Hoyt, Kendall K.
[Washington, D.C.?] : U.S. Dept. of Transportation, Federal Aviation Administration, 1993

Government Document Book
20
by Hampden-Thompson, Gillian
[Washington, D.C.] : National Center for Education Statistics, Institute of Education Sciences, U.S. Dept. of Education, 2008

Government Document Book