Wulandari, I., Rahmahani, J., Rahmawati, I., Putih, N., Azahro, A., Kusnoto, K., Ernawati, R. and Rantam, F.A. 2021. Molecular Characterization of Hemagglutinin-Neuraminidase Protein Virus Newcastle disease (ND) in Surabaya during 2003 and 2016. Jurnal Medik Veteriner. 4, 2 (Oct. 2021), 231–242. DOI:https://doi.org/10.20473/jmv.vol4.iss2.2021.231-242.