TY  - JOUR 
T1  - 
     
JO  - JISTEM - Journal of Information Systems and Technology Management
A1  - Santos, Antonio Carlos dos
SN  - 1807-1775
UL  - 10.1590/S1807-17752005000200008
VL  - 2 
Y1  - 2005
PB  - Brasil 
ER  -