????????, ?????????. ????????????????? ? ??????? ???? ????? ??????????? ? ????????? ?? ???????? ?? Covid-19 In CSDM Views., 2020.

Ivanova, Yoana. ???????? ?? ?????? ?? ?????????? ?????????????? ?? ????? ????? In IT4Sec Reports. ?????: ???????? ?? ????????????? ? ?????????????? ??????????, 2014.