(https://www.slideshare.net/williamhowell21000)???? ??????????????? ?????? ?? ?????? ? ????? ???????? ?????? ?? ?????? ???????? ????? ??????????????? ???????? ?? ?????????? ??????????? ?? ??????????, ???????????? ??????? ?????? ??? ????????? ??????? ??????? ??????? ????????? ????. ????????? ??????? ???????, ???? ?? ?????? ??????, ?????? ? ??????? ????? ?????????? ????????? ????? ?????... https://johnathanre2e0.blogmazing.com/30740884/