Productivity of layer-phase laying hens with different battery cage densities and ages. Jurnal Peternakan Lingkungan Tropis, [S. l.], v. 5, n. 1, 2022. Disponível em: http://e-journals2.unmul.ac.id/index.php/jpltrop/article/view/5154. Acesso em: 27 aug. 2026.