Dayu Kavindra, Jovita, and Fredy Surahmanto. “Analysis of Boiler Efficiency Using the Direct Method and an Integrated FMEA–fishbone Approach: A Case Study at an Automotive Manufacturing Plant”. Journal of Engineering and Applied Technology, vol. 7, no. 01, June 2026, pp. 33-43, doi:10.21831/jeatech.v7i01.102648.