Simi, D.P., Yulianti, D.L. and Krisnaningsih, A.T.N. 2018. Pengaruh penambahan ekstrak daun beluntas dan azolla terhadap income over feed cost (iofc) dan nilai ekonomis pakan itik pedaging. Jurnal Sains Peternakan. 6, 1 (Jun. 2018), 42–46. DOI:https://doi.org/10.21067/jsp.v6i01.2793.