인구문제 by 최우성 https://padlet.com/bluesalmon99/euxk7i9l9q en-us 2014-04-09 01:51:32 UTC 2014-04-16 00:34:20 UTC hello@padlet.com http://d262le4z25sx36.cloudfront.net/portraits/soccer_kick.jpg 우리나라 인구 문제는 무엇일까요? bluesalmon99 https://padlet.com/bluesalmon99/euxk7i9l9q/wish/25600029 2014-04-09 01:51:46 UTC https://padlet.com/bluesalmon99/euxk7i9l9q/wish/25600029