TY  - JOUR 
T1  - E-Learning Management Systems: A Feature-based Comparative Analysis
JO  - JISTEM - Journal of Information Systems and Technology Management
A1  - Salah, Saeed
A1  - Thabet, Mahmoud
SN  - 1807-1775
UL  - 10.4301/S1807-1775202118003
VL  - 18 
Y1  - 2021
PB  - Brasil 
ER  -