Athey, Thomas H. Systematic systems approach : an integrated method for solving systems problems / Thomas H. Athey. - Rev. ed. - Englewood Cliffs, N.J. : Prentice-Hall, 1982. - xiii, 366 p. : ill. ; 24 cm. Bibliography: p355-360. - Includes index. ISBN: 0138809143 Subjects--Topical Terms: System analysis.