1 . Which organization urged to ban the worldwide use of smartphones in schools in order to curtail classroom disruption and encourage better learning outcomes?
- A. United Nations
- B. UNESCO
- C. UNICEF
- D. None of these
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বাংলাদেশ সিকিউরিটি প্রিন্টিং কর্পোরেশন || Assistant Manager (Production Control) (08-09-2023) || 2023
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