のようなYouTubeチャンネル ODIY 한국과학창의재단



3,390,000 1.13%



104,000 1.68%

760,000 1.68%

126,000 4.44%

256,000 2.87%

819,000 4.25%

62,500 2.53%


3,300,000 3.43%

835,000 2.77%

303,000 4.43%