Palupi, C. C., N. Ngadisih, J. N. W. . Karyadi, R. . Tirtalistyani, M. . Heikal Ismail, and H. G. . Mawandha. “Effect of Biogas Slurry Fertilizer on Dynamics of Soil Consistency and Tillage Power Requirement”. Jurnal Ilmiah Rekayasa Pertanian Dan Biosistem, vol. 10, no. 1, Mar. 2022, pp. 14-23, doi:10.29303/jrpb.v10i1.318.