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
이번 학술대회에서는 최신 연구 결과가 발표됩니다.ibeon haksuldaehwaeeseoneun choesin yeongu gyeolgwa ga balpyo doem nida.The latest research results will be presented at this symposium.