WIDJAJA, S., PURWADARIA, T. and KETAREN, P.P. 2010. Apparent Induction of Xylanase by Bacillus pumilus PU4-2 using Pretreated Substrates. Microbiology Indonesia. 2, 1 (Mar. 2010), 9. DOI:https://doi.org/10.5454/mi.2.1.9.