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Research periodicals are ..................... source.

  • A.Primary
  • B.Secondary
  • C.Tertiary
  • D.Meta

Answer: A

Research periodicals are a primary source.

A primary source carries new information or original work for the first time. Research journals publish original research papers reporting new findings, theories and data, which makes them the most important primary sources in science along with patents, reports, theses and conference papers.

Secondary sources, such as abstracting and indexing journals, reviews and textbooks, are compiled from primary sources and lead to them. Tertiary sources, such as bibliographies of bibliographies and directories, help users find the primary and secondary ones. 'Meta' is not a category in this classification of documents.

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