Sagan, Adam, and Eugeniusz Kąciak. “Analysis of Means-End Structures Emerging from Abbreviated Hard Laddering Interviews”. Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie, no. 904 (December 21, 2015): 5–18. Accessed November 13, 2024. https://krem.uek.krakow.pl/index.php/krem/article/view/819.