TY  - JOUR
AU  - shafiee, nafiseh
AU  - شجری, مهدی 
TI  - Key management in digital rights management systems in offline mode
JO  - Journal of Information and Communication Technology
VL  - 7
IS  - 24
SP  - 79
EP  - 88
PY  - 2015
DO  - 
ER  -