Nainggolan, Devi Julietta, et al. “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)”. International Journal of Innovation in Enterprise System, vol. 1, no. 1, Dec. 2017, pp. 13-18, https://ijies.telkomuniversity.ac.id/index.php/IJIES/article/view/5.