Sigurgeirsson, Ingvar. “Kennarar Taka Mark á kennslukönnunum!”. Tímarit kennslumiðstöðvar Háskóla Íslands 3, no. 1 (October 1, 2014): 16–18. Accessed December 3, 2024. https://timarit.hi.is/tk/article/view/2014_ingvarsigurgeirsson.