Upload date
All time
Last hour
Today
This week
This month
This year
Type
All
Video
Channel
Playlist
Movie
Duration
Short (< 4 minutes)
Medium (4-20 minutes)
Long (> 20 minutes)
Sort by
Relevance
Rating
View count
Features
HD
Subtitles/CC
Creative Commons
3D
Live
4K
360°
VR180
HDR
3,273 results
출처: - 국시원 http://www.kuksiwon.or.kr/ - 2019개정 요양보호사 양성 표준교재_2020년 수정판(출처:보건복지부) ...
4,578 views
2 years ago
