6[4]Joseph D.Novak & Alberto J.Canas.(2006)The Theory Underlying Concept Maps and How To Construct Them.http.//www.columbia.k 12.mo.us/she/cncptmap.html 2006.1,Concept Mapping Resources.
7[5]Jonassen,DH,Beissner,K.,& Yacci,M.(1993).Structural knowledge:techniques for representing,conveying,and acquiring structural,http://www.amazon.com,Amazon.com.
