Zurriyatun, Dina, and Taufik Samsuri. “Effects of Concentrate Level and Fermentation Time on The Protein Content of Water Hyacinth-Based Livestock Feed (Eichhornia Crassipes)”. NATURA: JURNAL ILMU ALAM DAN SOSIAL 2, no. 1 (August 29, 2026): 38–49. Accessed September 23, 2026. https://jsss.lombokinstitute.com/index.php/natura/article/view/26.