동영상

• ▶ [메가스터디] 사회 최적쌤 - 적자생존 with 정치와법 SYSTEM 개념완성 theMEGASTUDY · 2025.03.17
• ▶ Introduction of Reservation System at Beaches [News Today / 2020.06.19] KBS World · 2020.06.19
• ▶ Calls to Overhaul Nation's Healthcare System [News Today / 2020.05.22] KBS World · 2020.05.22