Kinasih, Mentari, et al. “Efficiency of Irrigation Water Utilization in Secondary Channels in the Tungkub Irrigation Area”. 2023. Jurnal BETA (Biosistem Dan Teknik Pertanian), vol. 11, no. 2, Feb. 2026, pp. 449-57, doi:10.24843/JBETA.2023.v11.i02.p23.