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1. ISBN- এর সঠিক পূর্ণরূপ কোনটি?

  • A. International standard Bank number
  • B. International standard Bank number
  • C. International standard Bank number
  • D. International standard Bank number

Answer: Option B

Explanation:

ISBN হচ্ছে International Standard Business Number এটিকে [ˈɪzbən] উচ্চারণ করা হয় ।

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