“Fulvic Acid from Oil Palm Empty Fruit Bunches As Feed Additive Improves Digestive Tract and Intestinal Morphology in Broilers: Aditif Pakan Asam Fulvat Tandan Kosong Kelapa Sawit Untuk Memperbaiki Saluran Pencernaan Dan Morfologi Usus Pada Ayam Pedaging”. Jurnal Ilmu Nutrisi dan Teknologi Pakan 23, no. 2 (August 31, 2025): 138–145. Accessed December 23, 2025. https://journal.ipb.ac.id/jurnalintp/article/view/68370.