1. , & (1986). Scientific reasoning via the computer.
2. , & de (1982). Pedagogical, natural language and knowledge engineering techniques in SOPHIE I, II and III. In & , Eds. Intelligent tutoring systems. New York: Academic, pp. 227–282.
3. & (1985). Some features of children's ideas and their implications for teaching. In , & , Eds. Children's ideas in science. Philadelphia, PA: Open University Press, pp. 170–192.
4. & (1985). Heat and temperature. In , , Eds. Children's ideas in science, Philadelphia, PA: Open University Press, pp. 52–83.
5. (1984). Problems and processes in learning and teaching in the biology laboratory in Israeli high-schools. Unpublished doctoral dissertation, The Hebrew University at Jerusalem, Israel (in Hebrew).