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
실학파는 조선 시대에 실용적인 지식을 강조했습니다.Silhakpa-neun Joseon sidae-e sil-yongjeog-in jishikeul gangjohaessseubnida.The Practical Learning School emphasized practical knowledge during the Joseon Dynasty.