costs of new educational technologies
By: by J. Vaizey, E. Hewton and K. Norris.
Contributors: Hewton, Eric, 1934-; Norris, Keith.
Series: Calouste Gulbenkian Foundation. Centro de Economia e Finanças. Estudos e seminários
Publisher: Gulbenkian Foundation. Centro de Economica e Finanças
Published: 1971
Place of publication: Lisboa
Language: eng
Number of pages: 108