Metri, Yurma, Lili Warly, and 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.