Mirnawati, et al. “Improving the Quality of Palm Kernel Cake Through Fermentation by Eupenicillium Javanicum As Poultry Ration”. Pakistan Journal of Nutrition, vol. 12, no. 12, Nov. 2013, pp. 1085–1088, https://doi.org/10.3923/pjn.2013.1085.1088.