ZAUQIAH, A.D., -IMAS, T. and SUSILOWATI, D.N. (2009) “Characterization of Lipopolysaccharides of Bradyrhizobium japonicum KDR 15 Heavy Metal Tolerant”, HAYATI Journal of Biosciences, 13(3), p. 113. doi:10.4308/hjb.13.3.113.