RICHANA, N., T. T. IRAWADI, M. A. NUR, I. SAILAH, and K. SYAMSU. “The Process of Xylanase Production from Bacillus Pumilus RXAIII-5”. Microbiology Indonesia, vol. 1, no. 2, Aug. 2010, p. 6, doi:10.5454/mi.1.2.6.