Internationale Gesellschaft für Schulpraktische Professionalisierung (IGSP) is the publishing house in Switzerland.
According to PR-model, ig-sp.org is ranked 3,884,471st in multilingual Wikipedia, in particular this website is ranked 609,420th in German Wikipedia.
The website is placed before kosewopan.pl and after verhaltenstherapie.de in the BestRef global ranking of the most important sources of Wikipedia.
