PUTRA, Boy Isma; JAKARIA, Ribangun Bamban. Buku Ajar Analisa Dan Perancangan Sistem Kerja. Umsida Press, [S. l.], p. 1–207, 2021. DOI: 10.21070/2020/978-623-6081-01-3. Disponível em: https://press.umsida.ac.id/index.php/umsidapress/article/view/978-623-6081-01-3. Acesso em: 2 jul. 2025.