Question

mention anyone source of collecting primary data​

Answer 1

Answer:

मजदूर को देखकर कौन कौन शरमाये और क्यों

Answer 2

There are a number of different survey techniques that can be used to collect primary data, such as interviews (e.g., face-to-face, telephone, e-mail, fax) or self-administered questionnaires. When polls, censuses, and other direct data collection are undertaken, these all constitute primary data sources

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