TY  - GEN
ED  - Centre for Research on User Studies
TI  - User studies: an introductory guide and select bibliography
T2  - CRUS. Occasional paper ; 1
SN  - 0-906088-00-3
PY  - 1977///
CY  - Sheffield
PB  - British Library Board
KW  - Bibliotecas
KW  - Estudo de usuários
KW  - Br
ER  -