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Class 4 | তাপগতিবিদ্যা | লেকচার ০৪ | অন্তঃস্থ শক্তি, তাপগতিবিদ্যার প্রথম সূত্র, আপেক্ষিক তাপ | HSC -2021

HRI Team

26 May, 2022

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