1. Assessing the value of information: Problems and approaches;Ahituv,1989
2. Kann man Benutzerzufriedenheit messen? Erfahrungen mit der Erfolgfaktoren-Analyse in der strategishen Planung;Bayer;Information Management,1987
3. Priorities, performance and benefits: An exploratory study of library and information units;Broadbent,1991
4. Review of the library and information services of the Board of Works;Broadbent,1991
5. Effective library and information centre management;Bryson,1990