Dalle, N. S., S. Sembiring, and E. J. L. Lazarus. “Effect of Including Fermented Feather Meal As Substitution of Concentrate in the Basal Diet With Different Levels on the Performance of Landrace Crossbred Pigs”. Jurnal Sain Peternakan Indonesia 17, no. 1 (March 31, 2022): 44–50. Accessed April 16, 2024. https://ejournal.unib.ac.id/jspi/article/view/19175.