D. DAHLIA, A. ARDIANSYAH, A. AMRULLAH, K. KHATIMAH, I. DWINHOVEN, and D. A. U. MEGA, “Red dragon fruit peel as a natural pigment enhancer in goldfish (Carassius auratus)”, Asian J Agric, vol. 9, no. 2, Jan. 2026, doi: 10.13057/asianjagric/g090244.