Practice Problems for Creative Problem Solving Grades 3-8 Treffinger Donald J. Heftet / 2000 / Engelsk
Educating for Creativity and Innovation A Comprehensive Guide for Research-Based Practice Treffinger Donald J. Heftet / 2012 / Engelsk
Creative Approaches to Problem Solving A Framework for Innovation and Change Isaksen Scott G. Heftet / 2010 / Engelsk
Nurturing and Developing Creativity The Emergence of a Discipline Isaksen Scott G. Heftet / 1993 / Engelsk
