Thong, K., Nair, S., Subramaniam, G., Puthucheary, S., Yassin, R., Cheong, Y., Liu, S., Sander-Son, K., Cordano, A. and & Genetic of S.typhi, T. I. M. S. G. on the M. E. (1998) “Genetic dynamics and molecular epidemiology of Salmonella typhi”, Medical Journal of Indonesia, 7(Supp1), pp. 147-50. doi: 10.13181/mji.v7iSupp1.1062.