UtamiY. M., WidyariniS., and WibowoM. H. 2023. “Comparative Biological Pathotyping of Newcastle Disease Virus Sub-Genotypes VIIg, VIIh, and VIIi in Specific Pathogen Free (SPF) Chickens”. Tropical Animal Science Journal 46 (2), 172-79. https://doi.org/10.5398/tasj.2023.46.2.172.