Elmaghraby, Salah Eldin, 1927- Activity Networks : Project Planning And Control By Network Models / by Salah E. Elmaghraby - New York : John Wiley & Sons ., 1977 - xvii, 443 pages .: graph, illustrations .; 23 cm - "A Wiley-Interscience publication." . Includes bibliographical references and indexs ISBN: 0471238619 RM 65.89 Subjects--Topical Terms: Network analysis (Planning) Dewey Class. No.: 658.4032 / ELM 1977