Metri, Y., Warly, L., & Suyitman. (2018). Biodegradation of Lignin by White Rot Fungi (Pleurotus ostreatus) to Decrease the Fibre Components in the Palm Midrib. Pakistan Journal of Nutrition, 17(2), 71–75. https://doi.org/10.3923/pjn.2018.71.75