Youtube上的频道如 지식스쿨


181,000 5.37%

324,000 1.94%

346,000 1.2%

3,210,000 2.78%

85,800 1.76%

100,000 2.34%

60,700 6.7%

223,000 1.32%

193,000 2.62%

223,000 1.56%

37,400 1.86%


46,900 1.38%

511,000 1.54%


478,000 2.24%

1,170,000 2.32%

10,500,000 3.02%