Camila, A. R. ., T. . Soedarto, and I. S. . Tondang. “ANALYSIS OF THE CORRELATION BETWEEN SIGMA LEVELS AND REDUCTION OF ADDED VALUE IN WET EGG NOODLE PRODUCTS”. International Journal of Multidisciplinary Research and Literature, vol. 2, no. 5, Sept. 2023, pp. 637-51, doi:10.53067/ijomral.v2i5.152.