“Application Six Sigma Method to Reduce the Number of Defects in the Production of White Snapper Fillets (Lates Calcarifer Bloch)”. 2026. Jurnal BETA (Biosistem Dan Teknik Pertanian) 9 (1): 34-44. https://doi.org/10.24843/JBETA.2021.v09.i01.p04.