Ardianto, M., G. Giyanto, and K. Khamaludin. “Peningkatan Performansi Mesin Di Bagian Preparation Dengan Metode Total Productive Maintenance Di Dukung Implementasi 5s”. Jurnal Ilmiah Fakultas Teknik, vol. 2, no. 1, June 2021, pp. 104-12, https://ejournal.unis.ac.id/index.php/jimtek/article/view/1360.