MIRNAWATI; RIZAL, Yose; MARLIDA, Yetti; KOMPIANG, I. Putu. The Role of Humic Acid in Palm Kernel Cake Fermented by Aspergillus niger for Poultry Ration. Pakistan Journal of Nutrition, Pakistan, v. 9, n. 2, p. 182–185, 2010. DOI: 10.3923/pjn.2010.182.185. Disponível em: https://pjnonline.org/pjn/article/view/1148. Acesso em: 1 sep. 2025.