Nazarov K.K., Qudratxudjayev M.A., Shukurxonova M.G. “Enzymatic Hydrolysis Ability and Mechanical Strength of Cellulose Fibres”. International Journal of Advanced Science and Technology, Vol. 29, no. 11s, June 2020, pp. 1485 -88, http://sersc.org/journals/index.php/IJAST/article/view/21108.