Title: ??? ??????? ???????. ???????-????????? ??????? ???????????? ????, Author: Elena Pankey
Title: ????? ?? ??????????. ????? ???? ??????, Author: Elena Pankey
Title: Ushi mashut oslom. Sovremennoe social'noe programmirovanie. 2-e izd., ispravlennoe i dopolnennoe, Author: O. Matveychev
Title: ????? ????? ??? ???????. ?????????? ???????? ????????, Author: Elena Pankey