Ball, B., & Duff, H. (2003). Red Hat linux 9 unleashed. Pearson Education.
Chicago Edition CitationBall, Bill, and Hoyt Duff. Red Hat Linux 9 Unleashed. New Delhi: Pearson Education, 2003.
Deismireacht MLABall, Bill, and Hoyt Duff. Red Hat Linux 9 Unleashed. Pearson Education, 2003.
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