Council on Technology Teacher Education and the International Technology and Engineering Educators AssociationWicklein, Robert C.Smith, Phillip Cameron, Jr.Kim, Soo Jung2011-07-252011-07-252009Journal of Technology Education 20(2): (Spring 2009)wicklein.pdfhttp://hdl.handle.net/10919/8440application/pdfenIn CopyrightEssential Concepts of Engineering Design Curriculum in Secondary Technology EducationArticle - RefereedJournal of Technology Education