Haiza, N., K. Sumadi, N. W. Siti, Bulkaini Bulkaini, Djoko Kisworo, and Fahrullah Fahrullah. 2023. “The Effect of Providing Fermented Pineapple Peel in The Ration on The Performance of Peking Ducks”. Jurnal Biologi Tropis 23 (4):736-43. https://doi.org/10.29303/jbt.v23i4.5652.