Costs, benefits, effectiveness : challenge to educational technology
Lawrence P. Grayson
| Year of publication: |
1972
|
|---|---|
| Authors: | Grayson, Lawrence P. |
| Published in: |
Science. - Washington, DC : AAAS, American Assoc. for the Advancement of Science, ISSN 0036-8075, ZDB-ID 128410-1. - Vol. 175.1972, p. 1216-1222
|
| Subject: | Bildungsökonomie | Cost benefit Analyse | Schulunterrichtsmittel | Vereinigte Staaten |
| Type of publication: | Article |
|---|---|
| Source: | ECONIS - Online Catalogue of the ZBW |
Persistent link: https://www.econbiz.de/10002533916