A. Nubatonis, W. M. Nalley, and T. M. Hine, “Efektivitas Ekstrak Hipofisa Sapi terhadap Produktivitas Ayam Petelur (Gallus gallus) Afkir Strain Hisex Brown”, Jurnal Sain Peternakan Indonesia, vol. 13, no. 3, pp. 244–251, Oct. 2018.