Sulistiyani, D. P., Napoleon, A., Hermawan, A. ., Sandi, S. and Vika Lola, C. (2022) “The Effect of Goat Biourin Liquid Fertilizer with Banana Hump Decomposer on Chemical Properties Ultisol”, Jurnal Lahan Suboptimal : Journal of Suboptimal Lands, 11(2), pp. 154–160. doi: 10.36706/jlso.11.2.2022.561.