1. Discussing the evidence;Ashby R.;Teaching History,1987
2. Booth M. B.1979.A Longitudinal Study of Cognitive Skills Concepts and Attitudes of Adolescents Studying a Modem World History Syllabus and an Analysis of Their Adductive Historical ThinkingUnpublished Ph.D. thesis University of Reading
3. A Modem World History Course and the Thinking of Adolescent Pupils
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