Atep Afia Hidayat, IndraAlmahdy, Alfa Firdaus, Muhammad Kholil, Jakfat Haekal, Tri Widodo and Dede Rukmayadi 2024. Quality Control Analysis of Piston Gasoline Products using the DMAIC Approach. International Journal of Scientific and Academic Research (IJSAR), eISSN: 2583-0279. 4, 1 (Jan. 2024), 9–16. DOI:https://doi.org/10.54756/IJSAR.2024.1.2.