REFERENCES
- Baden, M. S. and C. H. Major, 2004. Foundations of Problem-based Learning. New York: Open University Press,
- Barrows, H. S. and R. M. Tamblyn, 1980. Problem-based Learning: An Approach to Medical Education. New York: Springer.
- Bell, S. 2010. Project-based learning for the 21st century: Skills for the future. The Clearing House. 83: 39–43.
- Boaler, J. 1998. Open and closed mathematics: Student experiences and understandings. Journal for Research on Mathematics Education. 29: 41–62.
- Boyce, W. E. and R. C. DiPrima, 2009. Elementary Differential Equations and Boundary Value Problems, ninth edition. Hoboken, NJ: John Woley.
- Cangelosi, J. S. 2003. Teaching Mathematics in Secondary and Middle School: An Interactive Approach third edition. Upper Saddle River, NJ: Pearson Prentice Hall.
- Cselle, G. Timeline: Employee headcounts for Google, Yahoo, and Microsoft. http://blog.gaborcselle.com/2006/02/timeline-employee-headcounts-for.html. Accessed 28 January 2013.
- Powell, J., J. Cangelosi, and A. Harris, 1998. Games to teach mathematical modelling. SIAM Review. 40: 87–95.
- Powell, J. A., B. R. Kohler, J. W. Haefner, and J. Bodily, 2012. Carrying biomath education in a leaky bucket. Bulletin of Mathematical Biology. 74: 2232–2264.
- Schoenfeld, A. H. 1985. Mathematical Problem Solving. New York: Academic Press.
- Snee, R. D. 1993. What’s missing in statistical education? American Statistician. 47(2): 149–154.
- Verhulst, P.-F., 1838. Notice sur la loi que la population poursuit dans son accroissement. Correspondance Mathématique et Physique. 115–116.
- Weed, C., B. Sappington, J. Sklover, J. Quick, T. Moorman, B. Beecher, and M. Temkin, What is Humans vs Zombies? http://humansvszombies.org. Accessed 30 November 2013.