What does DUO stand for?
DUO stands for "Deutsch-Uni Online"
How to abbreviate "Deutsch-Uni Online"?
"Deutsch-Uni Online" can be abbreviated as DUO
What is the meaning of DUO abbreviation?
The meaning of DUO abbreviation is "Deutsch-Uni Online"
What does DUO mean?
DUO as abbreviation means "Deutsch-Uni Online"
