HendrayantoH., Ken’ichirouK., and TakahisaM. “The Effect of Variability in Soil Hydraulic Properties on Water Flow in A Forested Hill Slope”. Jurnal Manajemen Hutan Tropika, Vol. 6, no. 1, 1, https://jurnal.ipb.ac.id/index.php/jmht/article/view/2675.