- Control Room. Wikipedia. https://en.wikipedia.org/wiki/Control_room. September 2010.
- Discover the Basics of Process Control Systems. http://www.brighthubengineering.com/consumer-appliances-electronics/67229-discover-the-basics-of-process-control-systems/. March 2010.
- NASA Engineering Design Challenge: Lunar Plant Growth Chamber Website. http://www.nasa.gov/audience/foreducators/plantgrowth/reference/Eng_Design_5-12.html#.V1hbg5ErKhc. March 2015.
- NASA Standards & Practices Handbook. February 2008.
- Process Control. Wikipedia. https://en.wikipedia.org/wiki/Process_control. November 2010.
- What is a Process?. https://www.processmodel.com/blog/what-is-a-process/. November 2014.
The contents of this module have been provided by Dr. Edgardo J. Escalante (firstname.lastname@example.org) from Dept. Ingeniería Industrial y de Sistemas, ITESM, Monterrey, Mexico.