scholarly publishing dois public access metadata tools fundref researchers scholarly publications retractions standards identifiers discoverability marketing journals china plagiarism ssp cast databases publishing crossref plagiarism screening crosscheck oxford university press oup chorus mandates open access psp libraries higher education students navigation citations cited-by linking secondary publishers vendors cse collaboration scholars orcid africa ajpp medial journals digitial object identifiers university presses digit object identifiers stewardship research corrections updates citation book publishing digital object identifiers
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