মোঃ আব্দুস সালাম
প্রভাষক
১৫ মার্চ, ২০২০ ১২:০৬ অপরাহ্ণ
Artificial satellite in the Great space
ধরন: সাধারণ শিক্ষা
শ্রেণি: অষ্টম
বিষয়: বিজ্ঞান
অধ্যায়: দ্বাদশ অধ্যায়
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Its impossible to communicate without satellitelink.Its impossible to communicate without satellitelink
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