वन एडवांटेज ऑफ डायरेक्ट कोर्स इन्वेस्टिगेशन
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Answered by
0
Answer:
lbeshoedhorsoh3ohd
Explanation:
say what
Answered by
2
Answer:
Mark as brainliest plzz
Explanation:
1) We get original data. 2) we get more accurate and reliable data. 3) Satisfactory information can be extracted by the investigator through indirect questions. 4) Data are homogeneous and comparable.
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