SIMPSON ALAN. (1986). UNDERSTANDING DBASE 111 PLUS. BPB PUBLICATIONS.
Chicago Style (17th ed.) CitationSIMPSON ALAN. UNDERSTANDING DBASE 111 PLUS. DELHI: BPB PUBLICATIONS, 1986.
MLA citiranjeSIMPSON ALAN. UNDERSTANDING DBASE 111 PLUS. BPB PUBLICATIONS, 1986.
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