Fenita, Y., O. Mega, and E. Daniati. “Pengaruh Pemberian Air Nanas (Ananas Cosumus) Terhadap Kualitas Daging Ayam Petelur Afkir”. Jurnal Sain Peternakan Indonesia, vol. 4, no. 1, Jan. 2015, pp. 43-50, https://ejournal.unib.ac.id/jspi/article/view/95.