Medri, Vandir, et al. “Taguchi Loss Function Applied in the Tilapia, Oreochromis Niloticus Fed With Different Additions of Yeast in the Diet”. Semina: Ciências Agrárias, vol. 31, no. 1, Apr. 2010, pp. 247-58, doi:10.5433/1679-0359.2010v31n1p247.