Daniela Zehetmeier Marco Kuhrmann Axel Böttcher Kathrin Schlierkamp Veronika Thurner Self-assessment of freshmen students' base competencies. 429-438 2014 EDUCON https://doi.org/10.1109/EDUCON.2014.6826130 https://www.wikidata.org/entity/Q59346039 conf/educon/2014 db/conf/educon/educon2014.html#ZehetmeierKBST14