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Lua i Stíl Chicago (17ú heag.)GREENBERG, Nancy. Course Manual Oracle Database 10g: SQL Fundamentals I Volume I Student Guide. Jobi Varghese, 2013.
Lua MLA (8ú heag.)GREENBERG, Nancy. Course Manual Oracle Database 10g: SQL Fundamentals I Volume I Student Guide. Jobi Varghese, 2013.
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