Khalil, Reswati, Ferawati, Kurnia Y, Agustin F. Studies on Physical Characteristics, Mineral Composition and Nutritive Value of Bone Meal and Bone Char Produced from Inedible Cow Bones. Pak. J. Nutr. 2017;16(6):426–434. doi:10.3923/pjn.2017.426.434