D. J. Nainggolan, J. Alhilman, and N. A. Supratman, “Performance Assessment Based on Reliability of Weaving M251 Machine Using Reliability, Availability & Maintainability (RAM) and Cost of Unreliability (COUR) Methods (Case Study at PT Buana Intan Gemilang)”, IJIES, vol. 1, no. 1, pp. 13–18, Dec. 2017.