Council on Technology Teacher Education and the International Technology and Engineering Educators AssociationMerrill, ChrisCuster, Rodney L.Daugherty, Jenny LynnWestrick, MartinZeng, Yong2011-07-252011-07-252008Journal of Technology Education 20(1): (Fall 2008)zeng.pdfhttp://hdl.handle.net/10919/8431application/pdfenIn CopyrightDelivering Core Engineering Concepts to Secondary Level StudentsArticle - RefereedJournal of Technology Education