Pradhan, N.R., S. Singh, and M.P. Acharya. “Seroprevalence of Avian Infl Uenza (subtype H9) in Ducks at AI Risk Areas of Nepal”. Nepalese Veterinary Journal 35 (December 31, 2018): 84–89. Accessed November 23, 2024. https://nepjol.info/index.php/nvj/article/view/25245.