scholarly articles - documents written by experts or scholars discussing works like research results of scholarly works like research, government documents - reports, censuses, policies, data and statistics issued and published by the government and its attached agencies, reference materials - sources providing answers to questions such as directing to additional sources statistics, maps, background information (re)directing to additional sources, news/magazines - source containing timely, brief and non-technical explanations of events or commentaries for the general public, books - source providing information in details segregated into chapters or parts,

Sources of Information: Accessibility and Effectiveness

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