• Students' grading control and visualisation in competence-based learning approachUmbleja, KadriProceedings of 2015 IEEE Global Engineering Education Conference (EDUCON) : 18-20 March 2015, Tallinn University of Technology (TUT), Tallinn, Estonia2015 / p. 287-296 : ill http://dx.doi.org/10.1109/EDUCON.2015.7095985