Which of the following is not a source of external secondary data?

Name: Which of the following is not a source of external secondary data?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Sales records are not considered external secondary data as they are internal to the company and generated by the company itself. The other options - Financial Times newspaper, Minitel marketing intelligence, and Business Periodicals Index - are all sources of external secondary data that can be accessed by the company from external sources.

Which of the Following Is Not a Source of External