Hartini, S., and P. Purwaningsih. 2017. “Effects of Adding Insoluble Non-Starch Polysaccharides and Exogenous Enzymes to a Commercial Broiler Diet on the Growth Performance and Carcass Weight of Broiler Chickens”. Pakistan Journal of Nutrition 16 (4): 227–235. https://doi.org/10.3923/pjn.2017.227.235.