1. A.M. Siti Roha S. Zainal A. Noriham Nadzirah K.Z., “Determination of Sugar Content in Pineapple Waste Variety N36,” International Food Research Journal 2013 1941 1943
2. Öhgren K., Galbe M., Zacchi G., “Optimisation of Steam Pretreatment of SO2-Impregnated Corn Stover for Fuel,” Applied Biochemistry and Biotechnology, pp. 1055-1167, 2005.
3. Bioethanol Production from Pineapple Wastes;Tropea;Journal of Food Research,2014
4. Harmsen P.F.H., Huijgen W.J.J., Bermúdez López L.M., Bakker R.R.C., “Literature Review of Physical and Chemical Pretreatment Processes for Lignocellulosic Biomass,” Journal of Foof and Biobased Research, pp. 7-9, 2010.
5. W. Wang L. Kang H. Wei R. Arora Lee YY, “Study on the Decreased Sugar Yield in Enzymatic Hydrolysis of Cellulosic Substrate at High Solid Loading,” Appl Biochem Biotechnol 164 2011 1139 49