Wijaya, B.P.W. et al. 2021. EFFECT OF ADDITIONAL DRAGON FRUIT (Hyloceraus polyrhizus) EXTRACT ON ARTIFICIAL FEED ON THE BRIGHTNESS OF BETT FISH (Betta sp.). Journal of Fish Nutrition. 1, 2 (Dec. 2021), 81–92. DOI:https://doi.org/10.29303/jfn.v1i2.474.