Hartati, L., Sihite, M., & Bramantiar, S. I. (2024). Model of the relationship between egg weight and the external quality of Pengging duck (Anas plathyrynchos). Jurnal Ilmu Peternakan Terapan, 8(1), 22–30. https://doi.org/10.25047/jipt.v8i1.5327