RUSFIDRA, Rusfidra. Variasi Marka Kualitatif pada Ayam Kokok Balenggek ; Plasma Nutfah ‘Ayam Penyanyi’ Sumatera Barat. Jurnal Peternakan Indonesia (Indonesian Journal of Animal Science), [S. l.], v. 16, n. 3, p. 166–169, 2014. DOI: 10.25077/jpi.16.3.166-169.2014. Disponível em: https://jpi.faterna.unand.ac.id/index.php/jpi/article/view/169. Acesso em: 13 oct. 2026.