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Which of the following is a secondary information source ?

  • A.Patents
  • B.Conference proceedings
  • C.Abstracting periodicals
  • D.Standards

Answer: C

The secondary source is Abstracting periodicals.

Primary sources report original work for the first time. Secondary sources are compiled from primary ones to organise and point to them: indexing and abstracting periodicals, bibliographies, reviews and most reference works. An abstracting periodical such as Chemical Abstracts summarises articles already published elsewhere.

Patents, conference proceedings and standards all present original information first-hand, which makes them primary sources.

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