OKTRIVIA, R. J.; MARYAM, E. W. Social Loafing On Students Of Muhammadiyah University Sidoarjo: Sosial Loafing Pada Mahasiswa Universitas Muhammadiyah Sidoarjo. Academia Open, [S. l.], v. 5, p. 10.21070/acopen.5.2021.2135, 2021. DOI: 10.21070/acopen.5.2021.2135. Disponível em: https://acopen.umsida.ac.id/index.php/acopen/article/view/2135. Acesso em: 1 sep. 2025.