Welling, M. (2003). Computer system and applications T.Y.B.Com (10th rev.). Manan.
Chicago-čujuhus (17. p.)Welling, M. Computer System and Applications T.Y.B.Com. 10th rev. Mumbai: Manan, 2003.
MLA-čujuhus (9. p.)Welling, M. Computer System and Applications T.Y.B.Com. 10th rev. Manan, 2003.
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