1. Pictures and adult learning;Alesandrini;Instructional Science,1984
2. Ideology and the map: Toward a postmodern visual design practice;Barton,1993
3. Graphics and graphic information processing;Bertin,1981
4. Semiology of graphics; Diagrams, networks, maps;Bertin,1983
5. Macroeconomics;Byrns,1995