Brilianto, I., et al. “Pengaruh Zonasi Dalam Kandang Closed House Terhadap Profil Darah Merah Ayam Broiler”. Jurnal Peternakan Indonesia (Indonesian Journal of Animal Science), vol. 21, no. 2, May 2019, pp. 59-63, doi:10.25077/jpi.21.2.59-63.2019.