Syahruddin , E., Herawaty, R. and Azhar (2019) “Substituting Soybean Meal with Fermented Leaves and Seeds of Rubber Trees (Hevea brasiliensis): Effects on Carcass Percentage, Abdominal Fat Percentage and Meat-to-Bone Ratio in Broiler Chickens”, International Journal of Poultry Science, 18(9), pp. 416–422. doi:10.3923/ijps.2019.416.422.