The art of teaching by radio,
Koon, Cline Morgan, 1894-
The art of teaching by radio, by Cline M. Koon, senior specialist in education by radio, Office of education... - Washington, U.S. Govt. print. off., 1933. - vii, 91, [1] p. 23 cm. - U. S. Office of education. Bulletin, 1933, no. 4 .
At head of title: United States Department of the interior. Harold L. Ickes, secretary. Office of education. William John Cooper, commissioner.
Bibliography: p. 85-91, [1]
e 33001190
Radio in education.
Radio broadcasting.
L111 / .A6 1933, no. 4
371.333
The art of teaching by radio, by Cline M. Koon, senior specialist in education by radio, Office of education... - Washington, U.S. Govt. print. off., 1933. - vii, 91, [1] p. 23 cm. - U. S. Office of education. Bulletin, 1933, no. 4 .
At head of title: United States Department of the interior. Harold L. Ickes, secretary. Office of education. William John Cooper, commissioner.
Bibliography: p. 85-91, [1]
e 33001190
Radio in education.
Radio broadcasting.
L111 / .A6 1933, no. 4
371.333