TY  - BOOK
AU  - Blagden, John 
TI  - Do we really need libraries?: : An assessment of approaches to the evaluation of the performance of libraries  
SN  - 0-85157-308-8 
PY  - 1980///
CY  - New York: 
PB  - Clive Bingley, 
KW  - Evaluation
KW  - Methodological problem
KW  - Evaluative techniques
ER  -