1. Boundaoui, A. (2011). Why would-be engineers end up as English majors. CNN. Retrieved from
http://www.cnn.com/2011/US/05/17/education.stem.graduation/index.html
2. Braverman, H. (1998). Labor and monopoly capital: The degradation of work in the twentieth century. New York: Monthly Review Press.
3. Calvert, M. A. (1967). The mechanical engineer in America, 1830–1910. Baltimore: The Johns-Hopkins Press.
4. Chen, X. (2009). Students who study science, technology, engineering, and mathematics (STEM) in postsecondary education. Washington: National Center for Education Statistics.
5. Crawford, M. (2009). Shop class as Soulcraft: An inquiry into the value of work. New York: The Penguin Press.