Kurnia, A., Hamsah, H., & Muskita, W. (2013). Tampilan warna ikan maanvis, Pterophyllum scalare Schultze 1823, yang diberi pakan tepung udang dan tepung wortel [Color performance of angel fish, Pterophyllum scalare Schultze 1823 that fed shrimp meal and carrot meal]. Jurnal Iktiologi Indonesia, 13(2), 187-195. https://doi.org/10.32491/jii.v13i2.105