LONGUA thanks all its partners around the world:
LONGUA.ORG: languages.li, longua.org in Italien, longua.org in Deutschland, longua.org in China, B1-Test (Schweiz), B2-Test (Schweiz), Allemand à Munich.ch, Soggiorni in Germania.it, Apprendre Allemand, 木木杨的博客 - China