D. Ratnawati, S. . Darwati, S. . Murtini, and C. . Sumantri, “Detection of Newcastle Disease Egg Yolk Titer and Phenotypic Correlation in IPB-D2 Chickens”, J Poult Sci Avian Dis, vol. 2, no. 2, pp. 56–60, Apr. 2024, doi: 10.61838/kman.jpsad.2.2.7.