Blake, Barry J.
Relational grammar
Routledge, 1990
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Müller, M.E.
Relational knowledge discovery
Cambridge University Press, 2012
eBooks
Whitehorn, Mark
Seluk beluk database relasional=Inside relational databases
Erlangga, 2003
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O`Donnell, T.J.
Design and use of relational databases in chemistry
CRC Press, 2009
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Allen, Christopher S.
Introduction to relational databases and SQL programming
McGraw-Hill, 2004
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