??? ?????? ???? ?????????. ????? ??????? ???????, ????? ??????????? ?????????? — ???? ??? ????????.???????? ? ?????? ?????? ??? ?????????? ????????? ? ???? ??? ?????????;"When I want programs on subjects that my university won't provide, Coursera is one of the best locations to go."???, ??? ????????? ? ??????: ?? ???, ?? ????? ? ?????. ???????? �