Zurmiati, Wizna, Abbas, M. H., & Mahata, M. E. (2017). Production of Extracellular β-mannanase by Bacillus amyloliquefaciens on a Coconut Waste Substrate. Pakistan Journal of Nutrition, 16(9), 700–707. https://doi.org/10.3923/pjn.2017.700.707