FEBRIANSAH, Rizky Eka; PRASOJO, Bayu Hari. Buku Ajar Riset Dan Operasi. Umsida Press, [S. l.], p. 1–107, 2021. DOI: 10.21070/2018/978-602-5914-25-6. Disponível em: https://press.umsida.ac.id/index.php/umsidapress/article/view/978-602-5914-25-6. Acesso em: 21 jun. 2025.