??????????????????????????????? ??????????????????????????????????????????????????????????? ??????????????????????????????????????????????????? ?????????? ??????????????????? ? ??????????????????????????? ????????? ??????? ????????? ??????? ???????? ?????? ????????????? ?????????????????? ? ??? ?????? (???????), ???? ??????? (????????), ?? (??????)

??????? ???????? (?????? ???????????)“??????????” ????????? ?????????????????????????????????????????????????????????????????????? ???????????????????????? ?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ?????????????????????????????????? ????????????????????????????????????

??????????????????????? ????? ??????????? ?????????????????????????????????????????? ??? ??????????? ????? ??????? ?????????? ????????? ???? ????? ???? ???? ??? ????????????????????????????????????????????? ??????????????????   ???????????????????????????????????????????????????????????????????? ???????????????????????????????????????????????????

??????????? ??????????????? ???????????????????????????????????????????? ???????????????????????????? ??????????????????????????????????????? ??????????????????????? ??????????? ?????????? ??????????????????????????????? ???????????/??? ?.???? ????????????????????????????????????????????????? ???????????????? ?? ????? ??????????? ??????????????????

Inside the early nineteen seventies, instructional recordings had been between the main commercial items bought on cassette.[nine] There have been 8 corporations distributing materials on cassette with titles for example Taking care of and Advertising Businesses (12 cassettes, $three hundred) and Government Seminar in Seem on a series of 60-minute