Syahruddin, Erman, R. Herawaty, and Azhar. “Improving the Quality of the Leaves and Seeds of Rubber Trees (Hevea Brasilliensis) for Poultry Feed Through Various Types of Microbial Biotechnology”. Pakistan Journal of Nutrition 15, no. 11 (October 15, 2016): 963–968. Accessed August 30, 2025. https://pjnonline.org/pjn/article/view/2410.