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
공납제적은 조선 시대의 세금 제도 중 하나였다.Gongnapjejeogeun Joseon sidaeui segum jedo jung hanayida.The public tax system was one of the tax systems during the Joseon Dynasty.