প্রশ্ন ও উত্তর
The headquarters of all the following international organizations are based at Vienna, except:
আন্তর্জাতিক বিষয়াবলি International Organization 07 Oct, 2020
প্রশ্ন The headquarters of all the following international organizations are based at Vienna, except:
সঠিক উত্তর
United Nations Development Programme
মন্তব্য
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