Putri Ana, N. K. T., Yulianti, N. L., & Wirawan, I. P. S. (2026). Determination Optimum Value Concentration of KMnO4 and Castor Oil on Bioplastic Active Packaging. Jurnal BETA (Biosistem Dan Teknik Pertanian), 12(2), 1–9. https://doi.org/10.24843/JBETA.2024.v12.i02.p05