Искакова, А. ., С. . Беркимбаева, Р. . Аккозиева, and А. . Елеусинова. “E-DOCUMENT SYSTEMS: TRENDS AND PERSPECTIVES”. Bulletin of Abai KazNPU. Series of Physical and Mathematical Sciences, vol. 72, no. 4, Dec. 2020, pp. 196-01, doi:10.51889/2020-4.1728-7901.30.