Uptec Computer Consultan. (2002). Information technology: Acc. to DOEACC syllabus for O level examination. Excel.
Chicago-čujuhus (17. p.)Uptec Computer Consultan. Information Technology: Acc. to DOEACC Syllabus for O Level Examination. New Delhi: Excel, 2002.
MLA-čujuhus (9. p.)Uptec Computer Consultan. Information Technology: Acc. to DOEACC Syllabus for O Level Examination. Excel, 2002.
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