TY - JOUR T1 - Influence of agitation speeds and aeration rates on the Xylanase activity of Aspergillus niger SS7 JO - Brazilian Archives of Biology and Technology A1 - Bakri, Yasser A1 - Mekaeel, Alaa A1 - Koreih, Amal SN - 1516-8913 UL - 10.1590/S1516-89132011000400003 VL - 54 Y1 - 2011 PB - Brasil ER -