List of Articles Carbon sources Nitro-gen sources Open Access Article Abstract Page Full-Text 1 - Application of Response Surface Methodology for Xanthan Gum and Biomass Production Using Xan-thomonas campestris Hadi Hashemi Gahruie Marzieh Moosavi-Nasab Esmaeil Ziaee 10.22034/jchr.2015.544105