Januar, M. Riza, and Nora H. Pandjaitan. “Empirical Evaluation of Kostiakov and Philip Infiltration Equation on Greyish Brown Regosol”. Jurnal Keteknikan Pertanian 13, no. 3 (January 18, 2011). Accessed December 23, 2025. https://journal.ipb.ac.id/jtep/article/view/2848.