C. A., Pasaribu, 		Dewi, G. A. M. K., AND 		Wijana, I W..
" EXTERIOR AND INTERIOR QUALITY OF DUCK EGG STORED DURING 0-28 DAYS IN BEDUGUL HIGHLAND" <em>Jurnal Peternakan Tropika</em> [Online], Volume 7 Number 3 (28 October 2019)