قنوات يوتيوب مثل Powtórka z biologii




22,700 6.1%



59,400 3.56%

32,600 4.37%

42,000 0.97%

3,390,000 1.13%



156,000 3.98%

44,400 4.59%


551,000 4.57%

813,000 3.93%

1,540,000 2.64%

3,210,000 2.78%

10,500,000 3.02%

4,070,000 2.84%