Pradana, Marchelino Rendi, et al. “Analysis of Soil Erodibility Value Using the Wischmeier-Smith Method”. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering), vol. 14, no. 5, Oct. 2025, pp. 1778-84, doi:10.23960/jtepl.v14i5.1778-1784.