(1)
(2)
المؤلف :Gertner, Jon,
تاريخ النشر : 2012
الموضوع : Bell Telephone Laboratories,Telecommunication,Technological innovations,Creative ability,Inventors
المؤلف :Kelley, Tom,
تاريخ النشر : 2015
الموضوع : Creative ability in business,Success in business,Creative ability