Ratnawati, Diana, Sri Darwati, Sri Murtini, and Cece Sumantri. “Detection of Newcastle Disease Egg Yolk Titer and Phenotypic Correlation in IPB-D2 Chickens”. The Journal of Poultry Sciences and Avian Diseases 2, no. 2 (April 1, 2024): 56–60. Accessed November 21, 2024. https://jpsad.com/index.php/jpsad/article/view/54.