1. Bailey, M.L. (2000). Integrated curriculum: what parents tell us about their children's experienc. The Educational Forum. 64 no3 236-42.
2. Becker, K .H. (2003). A comparision of students’ achievement and attitudes between constructivist and traditional classroom environments in Thailand vocational electronics programs. http://scholar.lib.vt.edu/ejournals/JVER/v29n2/becker.html.
3. Castori, P.,& Potter, W. (1996). Constructivist teaching methods, student attitudes, and scientific habits of mind:An investigation of relationships. http://education.ucdavis.edu/cress/grants/sample.html.
4. Cockrum,V. K. (2004). A cunning hand and cultured mind:an examination of high school graduates who completed an integrated tecnical and academic program.Unpublished doctoral thesis.University of Maryland. http://www.lib.umi.com/dissertations.
5. Doğan, M. (1993). A pilot study the effect of soil conservation unit integrated into 7th grade junior high school science curriculum. Unpublished. master thesis. Ankara: Ortadoğu Teknik Üniversitesi Sosyal Bilimler Enstitüsü.