1. Syafwina, Y. Honda, T. Watanabe and M. Kuwahara. Pretreatment of palm oil empty fruit bunch by white-rot fungi for enzymatic saccharification. Wood Research. 2002; 89:19-20.
2. Hayn M, Steiner W, Klinger R, Steinmüller H, Sinner M and Esterbauer. Basic research and pilot studies on the enzymatic conversion of lignocellulosics. Di dalam: Saddler JN, editor. Bioconversion of Forest and Agricultural Plant Residues. Wallingford: CAB International; 1993. pp. 33-72.
3. National Renewable Energy Laboratory, Standard Biomass Analytical Procedures. Available: www.nrel.gov/biomass/analytical_procedures.html.
4. Sluiter, B., Hames, R., Ruiz, C., Scarlata, J., Sluiter, D., Templeton, M., and Crocker, D. Determination of structural carbohydrates and lignin in biomass. Technical report NREL/TP-510-42618, 2011.
5. Mirahmadi K., Kabir M.M., Jeihanipour A., Karimi K., and Taherzadeh M.J. Alkaline pretreatment of Spruce and Birch to improve bioethanol and Biogas production. BioResources. 2010; 5:928-938.