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তথ্য সংগ্রহকারী যখন সরাসরি অনুসন্ধান ক্ষেত্র (Field) থেকে যে তথ্য সংগ্রহ করে তাকে প্রাথমিক রাশিতথ্য বলে।
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তথ্য সংগ্রহকারী যখন সরাসরি অনুসন্ধান ক্ষেত্র (Field) থেকে যে তথ্য সংগ্রহ করে তাকে প্রাথমিক রাশিতথ্য বলে।