1. Fishback, P. E. (2010). Linear and nonlinear programming with Maple: An interactive, applications-based approach. Boca Raton: CRC Press. Retrieved February 2, 2019, from
http://www.mathplace.org/C064X/main.pdf
.
2. Fox, W. P. (2012). Modeling with Maple, Cengage, Boston: MA.
3. Fox, W., & Garcia, F. (2014). Modeling and linear programming in engineering management. In F. P. García (Ed.), Engineering management. London: Intech Open.
4. McGrath, G. (2007). Email marketing for the U.S. Army and Special Operations Forces Recruiting. Master’s Thesis, Naval Postgraduate School.