Niagara, M. A. Suprayudi, M. Setiawati, and H. Syandri, “Influence of Different Protein Levels and Protein to Energy Ratios on Growth, Feed Efficiency and Survival of Bonylip Barb (Osteochilus vittatus Cyprinidae) Fingerlings”, Pak. J. Nutr., vol. 17, no. 5, pp. 228–235, Apr. 2018, doi: 10.3923/pjn.2018.228.235.