Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
German
⇄
Danish
Dutch
English
French
Greek
Italian
Spanish
Swedish
G
o
o
g
l
e
|
Forvo
|
+
allgemeine Systemtheorie
IT
general systems theory
tech.
general system theory
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
