Luthfianda, Tubagus, Bambang Hendra Siswoyo, and Dwi Tika Afriani. “Effectiveness of Various Natural β-Carotene Sources in Feed on the Color Brightness of Goldfish (Carassius Auratus)”. Bioscientist : Jurnal Ilmiah Biologi 14, no. 2 (June 5, 2026): 726–736. Accessed September 8, 2026. https://e-journal.undikma.ac.id/index.php/bioscientist/article/view/20079.