Koni, Theresia Nur Indah, Cytske Sabuna, Devi Anthonia Juliana Ndolu, and Asrul. “Perubahan PH, Kadar Asam Laktat, Dan Ammonia Putak Yang Difermentasi Anaerob Dengan Level Nira Lontar Yang Berbeda: PH, Lactic Acid, and Ammonia Changes Anaerobic Fermentation Putak With Different Levels of Palmyra Sap”. Jurnal Ilmu Peternakan dan Veteriner Tropis (Journal of Tropical Animal and Veterinary Science) 14, no. 2 (June 30, 2024): 63–69. Accessed July 6, 2025. https://www.journal.fapetunipa.ac.id/index.php/JIPVET/article/view/412.