1. “Improving Subject Searching in Web-based OPAC: Evaluation of the Problem and Guidelines for Design”;Long;Journal of Internet Cataloging,2000
2. Concepts of Information Retrieval;Pao,1989
3. Evaluation of Online Catalogues: An Assessment of Methods;Hancock-Beaulieu,1990
4. The Measurement and Evaluation of Library Services;Baker,1991
5. “Analysis of Search Failures in Document Retrieval Systems: A Review”;Tonta;The Public Access Computer Systems Review,1992