N. K. E., Sumayani,, Dewi, G. A. M. K., AND Kencana, G. A. Y.. " QUALITY OF CHICKEN EGGS ISA BROWN 18-22 WEEKS AGE POST VACINATION EGG DROP SYNDROME AND GIVEN RANGE OF DIFFERENT AMOUNT" Jurnal Peternakan Tropika [Online], Volume 7 Number 1 (27 February 2019)