4Scriven, Michael and Paul, Richard. A Working Definition of ritical Thinking http ://www. sonama, edu/CThink/definect. html.1995.12.6; Paul, Richard. Critical Thinking: Basic Questions and Answers http ://www, sonoma. edu/cthink/
5Bailin, Sharon, Roland Case, Jerrold Coombs, and LeRoi Daniels. "Operationalizing Critical Thinking: ACurriculum, Instruction and Assessment Model." Paper adapted from Bailin et al. , "A Conception of CriticalThinking for Curriculum, Instruction and Assessment," funded by the British Columbia Ministry of Education and Minister responsible for Multiculturalism and Human Rights, May 1993.2.298.
6H. Siegel. Educating Reason: Retionality , Critical Thinking and Education. New Yourk: Routledge. 1988.23.34.
7Fans H. van Eemeren, Rob Grootendorst and Francisca Snoeck Henkemans. Foundamentals of Argumentation Theory: A Handbook of Historical Backgrounds and Contemporary Developments. New Jersey: Lawrence Erlbaum Associates, Inc. 1996. 186.
8R. H. Johnson. The Problem of Defining Critical Thinking. In S. Norris (ed.), The Generalizability of Critical Thinking ( New York: Teachers College Press. 1992.49.
9Alec Fisher and Michael Scriven. Critical Thinking. Its Definition and Assessment. Point Reyes, CA:Edgepress. 1997.20.
10Kees De Glopper. Argumentation. Vol. 16.2002. 247 -251.
