Seufert, SabineSabineSeufertStanoevska-Slabeva, KatarinaKatarinaStanoevska-SlabevaGuggemos, JosefJosefGuggemos2023-05-022023-05-02https://www.alexandria.unisg.ch/handle/20.500.14171/116702enAssessing Subjective and Objective Information Literacy at Upper Secondary Schools - An Empirical Study in Four German-Speaking Countriesjournal article