“EFFECT OF ADDITIONAL DRAGON FRUIT (Hyloceraus Polyrhizus) EXTRACT ON ARTIFICIAL FEED ON THE BRIGHTNESS OF BETT FISH (Betta sp.)”. Journal of Fish Nutrition 1, no. 2 (December 31, 2021): 81–92. Accessed October 3, 2025. https://journal.unram.ac.id/index.php/jfn/article/view/474.