ASTAWA, N. M., 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”. Microbiology Indonesia, vol. 1, no. 3, Mar. 2010, p. 5, doi:10.5454/mi.1.3.5.