Education technology
Subtitle: sustainable and effective use
By: Marlaine E.  Lockheed, John Middleton, Greta S. Nettleton, editors.
Contributors: Lockheed, Marlaine E.; Middleton, John.; Nettleton, Greta S.; World Bank. Education and Employment Division.
Series: PHREE background paper series -- no.PHREE/91/32
Publisher: World Bank
Published: 1991
Place of publication: New York
Language: eng