Szabo, Z., Kovacs, O. B., Murai, G. ., Voros, Z. ., & Kehl, D. . (2021). An age-representative exploration of pro-social behavior: human generosity-offerings, expectations, and fairness. Marketing &Amp; Menedzsment, 55(Különszám 2), 5–19. https://doi.org/10.15170/MM.2021.55.KSZ.02.01