ইউটিউব চ্যানেল লাইক দিন Clyde Lettsome, PhD, PE


1,860,000 2.15%

72,300 1.29%

115,000 2.19%

6,820 2.72%

123,000 3.78%

835,000 2.77%


786,000 2.82%

10,200 1.39%

16,100 3.32%

10,500 3.56%

34,400 1.74%

142,000 1.29%

5,260 2.45%


6,100 2.48%

478,000 0.87%

299,000 2.43%

322,000 3.51%

189,000 1.85%

752,000 1.45%

256,000 2.87%

699,000 2.49%

258,000 2.41%

254,000 1.63%