Ratulangi, F.S. et al. 2026. Physical and Sensory Quality of Sausages Made from Spent Laying Hens Using Purple Sweet Potato Flour (Ipomoea Batatas L) . International Journal of Integrative Sciences. 5, 6 (Jul. 2026), 841–852. DOI:https://doi.org/10.55927/ijis.v5i6.48.