থিওরি অব রিলেটিভিটি(হার্ডকভার)

I wasted my money on a stupid book with lots of pronunciation mistakes and it goes way off topic at times it's About E=mc2 not any history or something. book is in low quality and i waste my so many fucking time😡

Very useful and informative

jara relitivity nie agtohi tader jonno perfect ekta boi.. kintu boi er kichu kichu jaegae punctuation mark e problem ache.

Awesome