Егорова, Ирина Николаевна, and Маргарита Михайловна Чиркина. “Research of a Sound As a Multimedia Component of Electronical Edition”. Eastern-European Journal of Enterprise Technologies 5, no. 2(59) (October 9, 2012): 23–25. Accessed November 23, 2024. https://journals.uran.ua/eejet/article/view/4139.