Amelia Lulu Rosalin Hutabarat, et al. “The Growth And Productivity Performance Of Maize (Zea Mayz) Under Water Hyacinth (Eichhornia Crassipes) Bokashi Treatment On Ex-Coal Mining Soils”. Jurnal Ternak, vol. 16, no. 1, June 2025, pp. 59-65, doi:10.30736/jt.v16i1.249.