The decision process : a study of the human decision processes, aided by fuzzy analysis techniques / by Robert F. Astridge. Astridge, Robert Frederick, 1949- Decision-making Methodology. Decision-making Psychological aspects. 823.91 21 SUE Includes bibliographical references (p. 96-111) Wentworth Falls, N.S.W. : Robert Astridge & Assoc., c1999. c1999. 1999 Text 111 leaves ; eng