? ????? ?????? ???? ?????? ? ??????? ???????? ????????, ?? ????????????? ???? ???????? ?????????, ?????????? ?????? ??????? ? ???????????, ??? ? ????? ???????? ????????, ? ??? ???.?????? ? ??????». ?? ?? ? ??? ?? ?? ??????. ??? ?? ?????? ???????, ?? ??? ??.To be successful With this Specialization you ought to have an understanding of the basics o