Mukti Hidayat, Rudy Effendi Listyanto and Purnama Sakhrial Pradini 2026. Improvement Of Material Quality In The Warehouse Using The Failure Mode And Effect Analysis (FMEA) And 5W+1H Methods At PT XYZ. International Journal of Health Engineering and Technology. 4, 6 (Mar. 2026). DOI:https://doi.org/10.55227/ijhet.v4i6.594.