Safitri, A., Muharni, .-. and Kusumawati, H. Y. (2017) “CONDITION OPTIMIZATION PRODUCTION XYLANASE THERMOSTABLE BY Bacillus licheniformis TS10 USING SUBSTRATE OIL PALM EMPTY FRUIT BUNCHES”, BIOVALENTIA: Biological Research Journal, 3(1), pp. 8–16. doi: 10.24233/BIOV.3.1.2017.51.