Sofiyanurriyanti, Azwanda, Mahmud Basuki, Moh. Ainul Fais, & Silvana Mohamad. (2026). Improvement of Songkok Production Process Through Defect Analysis Using Seven Tools and Failure Mode and Effect Analysis (FMEA). Jurnal Inotera, 11(1), 118-128. https://doi.org/10.31572/inotera.Vol11.Iss1.2026.ID560