The costs of information retrieval television; a case study in the cost-effectivness of educational media

gan Gailitis, Maris M.
Cyhoeddwyd 1972

A Survey of closed-circuit television, 1967.

Cyhoeddwyd 1967

Closed circuit television in education in Great Britain.

Cyhoeddwyd 1965

Studies in the growth of instructional technology II : A directory of closed-circuit television installations in American education, with a pattern of growth /

gan Campion, Lee F.
Cyhoeddwyd 1963

The Malvern project : closed circuit television in secondary schools /

gan Hawkins, Bernard
Cyhoeddwyd 1973

Closed-circuit television single-handed.

gan Gibson, Tony, 1919-
Cyhoeddwyd 1972

CLOSED CIRCUIT TELEVISION SYSTEM PLANNING; BY M.A. MAYERS AND R.D. CHIPP.

gan MAYERS, MORRIS A.

Teaching by closed-circuit television /

Cyhoeddwyd 1956

Closed-circuit television handbook /

gan Wortman, Leon A
Cyhoeddwyd 1964

Staffing and training for educational closed-circuit television : the report of a Joint Working Party of the National Educational Closed-Circuit Television Association and the Asso...

Cyhoeddwyd 1971