Setyawan, G., and S. Helmiati. “EFFECT OF SUBSTITUTION OF SOYBEAN FLOUR WITH APU WOOD FLOUR (Pistia StratioTES) FERMENTED IN FEED ON THE PERFORMANCE OF RED TILAPIA (Oreochromis sp.)”. Journal of Fish Nutrition, Vol. 1, no. 2, Dec. 2021, pp. 108-26, doi:10.29303/jfn.v1i2.489.