MÜLLER, Karl H. and TOŠ, Niko, 2010, Towards new cognitive foundations for survey research. Teorija in praksa : revija za družbena vprašanja [online]. 2010. Vol. 47, no. 6, p. 1316–1339. [Accessed 18 March 2025]. Retrieved from: http://dk.fdv.uni-lj.si/db/pdfs/tip20106_muller_tos.pdf