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1Livropor Saunders, Wilfred Leonard, 1920-“…University of Sheffield. Postgraduate School of Librarianship and Information Science…”
Publicado em 1968
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2Livropor Schur, Herbert“…University of Sheffield. Postgraduate School of Librarianship and Information Science…”
Publicado em 1968
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3Livropor Saunders, Wilfred Leonard, 1920-“…University of Sheffield. Postgraduate School of Librarianship and Information Science…”
Publicado em 1966
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4Livropor Friedman, Joan“…University of Sheffield. Postgraduate School of Librarianship and Information Science…”
Publicado em 1967