N. M. Y., Andriyani, 		Dewi, G. A. M. K., AND 		Wirapartha, M..
" Effect of Dragon Fruit Extract (Hylocereus polyrhizus) in Drinking Water on The Quality of Isa Brown Chicken Eggage 25-30 Weeks." <em>Jurnal Peternakan Tropika</em> [Online], Volume 7 Number 2 (27 May 2019)