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Engineering Solution BD

14/06/2019

Some important integral

12/06/2019

ঈদ পর এখন নিয়মিতভাবে পোস্ট দেয়া হবে,ইনসাল্লাহ

04/06/2019

All fb friend,eid mubarak...

28/05/2019

Deflection Beam....... Some formula......

24/05/2019

Types of integral and results........

23/05/2019

Curve........

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