Sukwadi R, Harijanto L, Inderawati MW, Huang PTB. Reduction in Rejection Rate of Soy Sauce Packaging via Six Sigma. JTI [Internet]. 2021 Feb. 28 [cited 2025 Jan. 2];22(1):57-70. Available from: https://ejournal.umm.ac.id/index.php/industri/article/view/12874