Olejnik, Iwona, and Robert Skikiewicz. “The K-Means Method in the Segmentation of Retirees on the Basis of Life Priorities”. Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie, no. 916 (December 16, 2015): 83–94. Accessed November 24, 2024. https://krem.uek.krakow.pl/index.php/krem/article/view/741.