Bangun, C., Jalil, A., Amperajaya, D. and Rasjidin, R. 2022. Preventive Maintenance Scheduling with Age Replacement Method at CNG Station . Aptisi Transactions on Technopreneurship (ATT). 4, 2 (Jul. 2022), 153–163. DOI:https://doi.org/10.34306/att.v4i2.260.