(https://www.slideshare.net/williamhowell21000)???? ??????????????? ?????? ??? ?????? ? ????? ???????? ?????? ??? ?????? ????? ? ?????????????? ???????? ??????? ?????????? ??????'? ? ??????????, ???????????? ????? ???? ??? ????????????? ??????? ??????? ?????? ????????? ????. ????????? ?????????? ???????, ?? ?? ?????? ??????, ?????? ? ??????? ????? ?????????? ????????? ???????????? ???... https://josue86k42.blogocial.com/-67373730