Aripradnyani, P.A. et al. 2026. Application Six Sigma Method to Reduce the Number of Defects in the Production of White Snapper Fillets (Lates Calcarifer bloch). Jurnal BETA (Biosistem dan Teknik Pertanian). 9, 1 (Feb. 2026), 34–44. DOI:https://doi.org/10.24843/JBETA.2021.v09.i01.p04.