Sujudi, S. 1998. The Third Asia Pacific Symposium on Typhoid Fever and Other Salmonellosis and The Seventh National Congress of The Indonesian Society for Microbiology. Medical Journal of Indonesia. 7, Supp1 (Oct. 1998), 1-4. DOI:https://doi.org/10.13181/mji.v7iSupp1.1018.