salman, J. A. ., khalaf, K. J. . and Al-Marjani, M. F. . (2013) “Study of Inhibitory agent produced by Streptococcus thermophilus on growth and Biofilm formation for some pathogenic bacteria”, Journal of Biotechnology Research Center (JOBRC), 7(2), pp. 24–31. doi: 10.24126/jobrc.2013.7.2.262.