The school radio-sound system,
Lowdermilk, Ronald R. 1898-
The school radio-sound system, by R. R. Lowdermilk. Published by the Federal radio education committee with the cooperation of the U.S. Office of education, Federal security agency. - Washington, D.C., 1941. - vi, 58 p. 23 cm. - [Ohio. State university, Columbus. Bureau of educational research. Evaluation of school broadcasts. Pamphlet series, no. 3] .
Bibliography: p. 57-58.
e 41000403
Radio in education.
Radio broadcasting.
LB1044.5 / .O5 no. 3
371.333
The school radio-sound system, by R. R. Lowdermilk. Published by the Federal radio education committee with the cooperation of the U.S. Office of education, Federal security agency. - Washington, D.C., 1941. - vi, 58 p. 23 cm. - [Ohio. State university, Columbus. Bureau of educational research. Evaluation of school broadcasts. Pamphlet series, no. 3] .
Bibliography: p. 57-58.
e 41000403
Radio in education.
Radio broadcasting.
LB1044.5 / .O5 no. 3
371.333