Rousdy, D., and N. Wijayanti. “Enhancement of Nonspecific Immunity in Aeromonas Hydrophilla Infected Carp, Cyprinus Carpio (Linnaeus, 1758) by the Administration of Peat’s Humic Acid”. Jurnal Iktiologi Indonesia, Vol. 16, no. 3, Oct. 2016, pp. 345-52, doi:10.32491/jii.v16i3.33.