IELTS(International English Language Testing System)는?
IELTS(International English Language Testing System)는 영국문화원(The British Council), 케임브리지 대학(UCLES; University of Cambridge Local Examinations Syndicate), 호주 IDP 에듀케이션(International Development Program of Australian University and College)에 의해 공동 개발, 관리, …
