Azzeddin M. , A. and El-Musmary, F.S. (2001) “The Role of Extracellular Polysaccarides Excreted By Different Isolates Of Xanthomonas campestris pv. Vesicatoria On Occurance Of Some Disease Symptoms”, Al-Mukhtar Journal of Sciences, 8(1), pp. 69–55. doi:10.54172/mjsc.v8i1.421.