TY  - BOOK
AU  - Brinkerhoff,Robert O
AU  - Dressler,Dennis E
TI  - Productivity measurement: a guide for managers and evaluators 
T2  - Applied social research methods
SN  - 0-8039-3151-4
PY  - 1990///
CY  - Newbury Park
PB  - Sage Publications
KW  - Empresas
KW  - Productividad
ER  -