HERMAWAN, Sigit; HANUN, Nur Ravita. Buku Ajar Etika Bisnis Dan Profesi. Umsida Press, [S. l.], p. 1–129, 2021. DOI: 10.21070/2018/978-602-5914-33-1. Disponível em: https://press.umsida.ac.id/index.php/umsidapress/article/view/978-602-5914-33-1. Acesso em: 4 jul. 2025.