Ardhanella, S. .; Damayanti, R. .; Suwarno, S.; Rantam, F. A.; Rachmawati, K. .; Khairullah, A. R.; Rahmahani, J. Serological Study of Newcastle Disease in Ducks (Anas Javanicus) Slaughtered in East Surabaya Traditional Market. J. Med. Vet. 2022, 5, 131-137.