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ProQuest Central is the largest single periodical resource available, bringing together complete databases across all major subject areas, including Business, Health and Medical, Language and Literature, Social Sciences, Education, Science and Technology, as well as core titles in the Performing...
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PQDTGlobal includes millions of searchable citations to dissertations and theses from 1861 to the present day together with over a million full-text dissertations that are available for download in PDF format. Over 2.1 million titles are available for purchase as printed copies. The...