Chairul Alfatory, Bintang Rafly Aryansyah, Mahendra Mahendra, Andhika Danisvara, & Yudi Prastyo. (2026). Improvement of the Early, Middle and Final Patrol Check Process From Manual to Digital with the PDCA Method, Fishbone Diagram, and Why-Why Analysis at PT. Automotive Components Company. International Journal of Mechanical, Electrical and Civil Engineering, 3(1), 01–13. https://doi.org/10.61132/ijmecie.v3i1.386