Gesellschaft für Akademische Studienvorbereitung und Testentwicklung is the other organization in Bochum, Germany.
According to PR-model, gast.de is ranked 1,133,746th in multilingual Wikipedia, in particular this website is ranked 122,447th in German Wikipedia.
The website is placed before aeolian.co.uk and after rephirecords.com in the BestRef global ranking of the most important sources of Wikipedia.
