유튜브 채널 좋아요 Diane R. Gehart, Ph.D.



20,400 7.61%



14,200 6.18%

16,700 3.0%

17,800 4.32%


36,200 4.61%


64,600 2.81%

10,200 1.77%

1,020,000 3.13%