%0 Journal Article %T Culture Condition Improvement for Phytase Production in Solid State Fermentation by Aspergillus ficuum Using Statistical Method %A H. Jafari-Tapeh %A Z. Hamidi-Esfahani %A M. H. Azizi %J ISRN Chemical Engineering %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/479167 %U http://dx.doi.org/10.5402/2012/479167