Riko Khaerul Anam, Dana Prianjani, Hafid Syaifullah, and Isna Nugraha, “Analisis Biaya Perawatan Pada Mesin Carding Dengan Metode Preventive Maintenance Policy Di PT. XYZ”, waluyojatmiko, vol. 16, no. 1, pp. 151–160, Nov. 2023.