N. M. ASTAWA, I. B. O. WINAYA, L. P. AGUSTINI, and N. HARTANINGSIH, “Immunological Detection of Avian Influenza Virus in Infected Ducks by Monoclonal Antibodies Against AIV-H5N1”, Microbiol indones, vol. 1, no. 3, p. 5, Mar. 2010.