TY  - BOOK
AU  - Blagden,John
AU  - Harrington,John
TI  - How good is your library?: a review of approaches to the evaluation of library and information services 
SN  - 0-85142-268-3
U1  - 025.5 20
PY  - 1990///
CY  - London
PB  - Aslib
KW  - Libraries
KW  - Evaluation
KW  - Information services
KW  - Self-evaluation
KW  - Bibliotecas
KW  - Evaluación
KW  - Servicios de información
KW  - Evaluacion
ER  -