Hadi Putri, Savira, et al. “HETEROPHIL-LYMPHOCYTE RATIO IN LAYING HENS VACCINATED WITH NEWCASTLE DISEASE-INFECTIOUS BRONCHITIS”. Buletin Veteriner Udayana, vol. 16, no. 4, July 2024, pp. 1229-37, doi:10.24843/bulvet.2024.v16.i04.p29.