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Leach D. P., Malvino A. P., . (2005). Digital Principles & Applications. New Delhi: Tata McGraw Hill.
Leach D P, Malvino A P, . 2005. Digital Principles & Applications. New Delhi: Tata McGraw Hill.
Leach D P, Malvino A P, . Digital Principles & Applications. New Delhi: Tata McGraw Hill. 2005.