로그인
JAMB - Economics (1995 - No. 6)
An aging population is a population?
with a high dependency ratio
with many young people
in which the number of old persons is increasing
that is dominated by very old people
댓글 (0)
댓글을 달려면 로그인하세요
광고
자바스크립트가 이 페이지를 올바르게 로드하도록 허용