Measuring the efficiency of search engines: An application of data envelopment analysis
| Year of publication: |
1999
|
|---|---|
| Authors: | Lien, D. ; Peng, Y. |
| Published in: |
Applied economics. - Abingdon : Routledge, ISSN 0003-6846, ZDB-ID 2801760. - Vol. 31.1999, 12, p. 1581-1588
|