SHADIQI, M. A.; HANDAYANI, S. L.; AZIZAH, A. N.; AZIZA, L. A.; MAYANGSARI, M. D. Strong Alone, Stronger Together: The Role of Collectivism, Individualism, Egoism, and Self-Efficacy in the Prosocial Behavior of Flood Volunteers: [Strong Alone, Stronger Together: Peran Kolektivisme, Individualisme, Egoisme, dan Efikasi Diri Pada Perilaku Prososial Relawan Banjir]. ANIMA Indonesian Psychological Journal, v. 37, n. 2, p. 217-243, 25 Jul. 2022.