Williams.R.A. Communi.Syst.Analysis &Design A Syst.Approach. - 1st Ed. - Prentice Hall of India Private Limited 1987 - VIII, 470p. 23 cm. Text in English Subjects--Facted Index Terms: ELN Index Terms--Genre/Form: F-02 Dewey Class. No.: 621.38 / WIL