Gakken Plus is the business in Japan founded in 2009.
According to PR-model, gakken-plus.co.jp is ranked 822,401st in multilingual Wikipedia, in particular this website is ranked 65,578th in Japanese Wikipedia.
The website is placed before offenesparlament.de and after nantuckethistoricalassociation.net in the BestRef global ranking of the most important sources of Wikipedia.