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MacLeod, I.A.: Text retrieval and the relational model (1991)
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Morrow, B.: WILSONDISC's Reader's Guide Abstract (1988)
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Asubiaro, T.V.; Onaolapo, S.: ¬A comparative study of the coverage of African journals in Web of Science, Scopus, and CrossRef (2023)
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Wellisch, H.H.: Book and periodical indexing (1994)
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Snavely, L.; Clark, K.: What users really think : how they see and find serials in the arts and sciences (1996)
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