Trimayanti, N.L. et al. 2026. Study of Cow Urine Fermentation Process with Several Diffuser Models . Jurnal BETA (Biosistem dan Teknik Pertanian). 11, 2 (Feb. 2026), 392–401. DOI:https://doi.org/10.24843/JBETA.2023.v11.i02.p17.