Cost factors in planning educational technology systems /
Jamison, Dean T.
Cost factors in planning educational technology systems / Dean T. Jamison. - París : UNESCO, 1977. - 62 p. - Fundamentals of educational planning ; 24 .
Educación--Planificación
Tecnología educativa
Cost factors in planning educational technology systems / Dean T. Jamison. - París : UNESCO, 1977. - 62 p. - Fundamentals of educational planning ; 24 .
Educación--Planificación
Tecnología educativa