قنوات يوتيوب مثل Dział E-learningu Politechniki Wrocławskiej


330,000 1.68%

17,400 3.2%

181,000 5.37%

17,800 2.63%


10,500,000 3.02%

339,000 2.63%

2,690,000 3.59%

42,000 0.97%


68,900 5.73%

15,000 1.69%


355,000 3.21%



416,000 4.69%

3,950,000 2.52%

835,000 2.77%