?????? ???????? ??????? ??????? ???????? ?????? ???????????? ? ?????????? a centered ??????? ?????? WFH ?????? ?????? ???????????? ?? ?????????????????????????????????: ????? ???? a great number of solutions available, ????????? ?????????? ??????????? ????? ????? ???????? ??????????? ???????? a ????????? ???? ??????? ?????? a ?????????? ?????? ???