KRISNANINGSIH, Diah; FAUJI, Imam; MASRUCHIN. Buku Ajar Bisnis Syrkah: Teori & Aplikasi. Umsida Press, [S. l.], p. 1–53, 2023. DOI: 10.21070/2023/978-623-464-067-0. Disponível em: https://press.umsida.ac.id/index.php/umsidapress/article/view/978-623-464-067-0. Acesso em: 27 jun. 2025.