Oxamudra, L., Noya, S., Ekawati, Y., Putrianto, N.K., Oktiarso, T. and Purnomo, P. 2025. Quality Improvement Analysis of X Brand Tube Packaging Using Six Sigma and Failure Mode and Effects Analysis (FMEA). Jurnal Sains dan Aplikasi Keilmuan Teknik Industri (SAKTI). 5, 02 (Dec. 2025), 111–124. DOI:https://doi.org/10.33479/sakti.v5i02.167.