Ellis, J. L., & Blank, S. S. (1985). Creative problem solving in every classroom. Department of Educational Psychology and Special Education.
Chicago Style aipamenaEllis, Julie L., and Stanley S. Blank. Creative Problem Solving in Every Classroom. British Columbia, CAN: Department of Educational Psychology and Special Education, 1985.
MLA aipamenaEllis, Julie L., and Stanley S. Blank. Creative Problem Solving in Every Classroom. Department of Educational Psychology and Special Education, 1985.
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