ইউটিউব চ্যানেল লাইক দিন Mr.Science 1 for secondary




247,000 4.3%

490,000 3.96%

25,100 3.54%

3,950,000 2.52%

10,500,000 3.02%



359,000 4.93%

11,000 4.18%


7,520 4.98%






18,000 4.34%

90,800 1.98%

753,000 2.82%

144,000 3.55%

5,630,000 6.58%

2,270,000 1.96%

246,000 5.37%