-Barzan A., S. Soraki, 2002. Procedure of experimental for pulp and paper, Mazandaran Wood and Paper Industries, Sari, Iran, 111-121, (in Persian).
-Buchert, J., Tenkanen, M., Kantelinen, A., and Viikari, L., 1994. Application of xylanases in the pulp and paper industry, Bioresource Technology, 50(1): 65-72
-Bajpai, P., 1998. Biotechnology for environmental protection in pulp and paper industry. Springer. Germany, Pp: 91-107.
-Costa, M.M., and Colodette, J.L., 2007. The impact of kappa number composition on eucalyptus kraft pulp bleachability. Brazilian Journal of Chemical Engineering, 24(1): 61-71.
-EK, M., 1992. Some aspects on the mechanisms of photo-yellowing of high- yield pulps ,Royal institute of technology, Stockholm, Sweden, Ph.D Thesis.
-Cater, Henry A., 1996. The Chemistry of paper preservation, Journal of Chemical Education, 73 (11), 1068-1073.
-Forsskahl I .,H. Tylli and Olkkonen, C., (2000), Participation of carbohydrate – derived chromospheres in the yellowing of high – yield and TCF pulps , Journal of pulp and paper science Vol . 26 , No 7 .
-Hashemi, S.R., 2015. Investigation on TCF bleaching of Tobacco stalk soda pulp , Iranian j. of wood and paper sci. and technology 29(4), 619-628.
-Hedjazi, S.,A. Jahan Latibari, R. Patt., 2007. Investigation on TCF bleaching of wheat straw soda pulp, Journal of the Natural Res., 59(4), 935-951.
-Jeffries, T.W., and Viikari, L., 1996. Enzymes for pulp and paper processing. American chemical society. Washington, DC, 326p.
-Luiss, A.J., and Jackson, 2002. Textbook of pulping technology, McGraw-Hill, New York, NY, 126-132.
-Mirshokraie S.A.., 2003. Pulp and paper technology, Aeeizh publication, Tehran, Iran, 209-210p, (Translated in Persian).
-Mirshokraie S.A. and Abdolkhani A.,2005. Effects of metallic ions on brightness CMP pulp of hardwoods in north of Iran, Iranian journal national resourse,58 (2), (in Persian).
-Paullsson M. , Lucian A. and Arthur J., 2001. Potoyellowing of untreated chemi-thermo-mechanical pulp under argon, ambient and oxygen atmosphere, Journal of wood chemistry and technology, 21 (4).
-Tran A.V., 2003, Thermal yellowing of hard wood kraft pulp bleaching with a chlorine dioxide based sequence , Journal of pulp and paper science , Vol . 28 , No.4 .
-Technical Association of Pulp and Paper Industry, 2009. Standard Test Methods. Tappi Press, Atlanta, GA. USA.
-Vaysi, R., 2015. A study on the possibility of extraction, identification and removal of metallic ions and resins in bleached bagasse pulp by ECF stages , Iranian j. of wood and paper sci. and technology 30(1), 72-84.
-Vaysi, R., Behrooze, R. and Khaj-e-Ali, E., 2016. The effect of ECF bleaching on optical and mechanical of bagasse soda pulp, , Iranian j. of wood and paper sci. and technology 30(2), 349-361.
-Xu E .C., 2002, H2o2 bleaching of mechanical pulps , Journal of pulp and paper science , Vol. 28 , No. 1.