Modern science and your child
United States
Office of Education.
Division of State Grants.
creator
Gruver, William John
1914-
Piltz, Albert
1915-
text
dcu
Washington
U.S. Dept. of Health, Education, and Welfare, Office of Education; for sale by the Supt. of Documents, U.S. Govt. Print. Off.
1963]
1963
monographic
eng
v, 40 p. illus. 15 x 24 cm.
by William J. Gruver and Albert Piltz, specialists, science, Instructional Resources Branch.
"OE-29048."
Bibliography: p. 39-40.
Science
Study and teaching
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hew63000140
U. S. Dept. of Health, Education, and Welfare. Library
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20260227111512.0
hew63000140