“Bacillus licheniformis BT5.9 Isolated from Changar Hot Spring, Malang, Indonesia, as a Potential Producer of Thermostable ?-amylase” (2013) Tropical Life Sciences Research, 24(1), pp. 71–84. Available at: https://ejournal.usm.my/tlsr/article/view/tlsr_vol24-no-1-2013_7 (Accessed: 3 July 2024).