Haqiqi, Mohamad, Rosa Tri Hertamawati, and Reikha Rahmasari. 2021. “Tingkat Penerapan Biosekuriti Pada Usaha Peternakan Ayam Ras Petelur Di Kabupaten Jember”. Conference of Applied Animal Science Proceeding Series 2 (December). Jember, East Java, ID. https://doi.org/10.25047/animpro.2021.7.