Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
공사채형은 정부가 발행하는 채권의 일종입니다.Gongsachae-hyeong-eun jeongbu-ga balhaenghaneun chaegwon-ui iljong-imnida.The public bond type is a kind of bond issued by the government.