(https://www.slideshare.net/williamhowell21000)???? ??????????????? ?????? ??? ??????? ? ????? ???????? ?????? ?? ?????? ????? ? ??????????????? ???????? ??????? ?????????? ??????????? ? ????????, ??????? ????? ?????? ??? ????????? ??????? ????????? ?????? ?????????. ????????? ??????? ???????, ?? ?? ?????? ??????, ?????? ? ??????? ?????? ????????? ????? ??????? ????????????? ? ???????... https://brooks7u2o0.bloggip.com/31401421/