Subagja, Hariadi, et al. “Pendapatan Usaha Penetasan Telur Itik Skala Kecil Di Kabupaten Jember : Income of Small-Scale Duck Egg Hatchery Enterprises in Jember Regency”. Jurnal Ilmiah Inovasi, vol. 25, no. 3, Dec. 2025, pp. 248-52, doi:10.25047/jii.v25i3.6617.