S. Kołodziej, “Materialism, empathy and willingness to help as correlates of university and faculty selection”, JECS, vol. 7, no. 2, pp. 20–32, Sep. 2016, Accessed: Sep. 18, 2025. [Online]. Available: https://jecs.pl/index.php/jecs/article/view/10.15503.jecs20162.20.32