Maharani, Niken Respati, Heru Susetya, and Michael Haryadi Wibowo. 2022. “Molecular Detection of Hemagglutinin Gene Fragment of Avian Influenza Virus H9 Subtype Obtained from Poultry Commercial Farm With Prominent Symptom of Decreased Egg Production”. HAYATI Journal of Biosciences 29 (4): 531-39. https://doi.org/10.4308/hjb.29.4.531-539.