تفكير خارج الصندوق: الفرق بين النسختين

* [[James F. Bandrowski|Bandrowski, James F.]]; [[Stephen R. Covey]] and [[Ken Blanchard]]. (2009). ''Discover Your Inner Strength.'' Sevierville, Tennessee: Insight Publishing. 10-ISBN 9781600132971978-1-60013-297-1/13-ISBN 16001329791-60013-297-9; [http://www.worldcat.org/title/discover-your-inner-strength/oclc/320196099 OCLC 320196099]

* J. L. Adams (1979). ''Conceptual blockbusting: A guide to better ideas''. New York: [[W. W. Norton]] ISBN 9780201100891978-0-201-10089-1; ISBN 02011008940-201-10089-4 (more solutions to the nine dots problem - with less than 4 lines!)

* M. Scheerer (1972). ''Problem-solving''. [[Scientific American]], 208(4), 118-128

* Oxford Advanced Learners Dictionary (OALD), Word of the Month: [http://www.oup.com/elt/catalogue/teachersites/oald7/wotm/wotm_archive/think_out_of_box?cc=global Think outside the box]

[[en: Thinking outside the box]]