Frick, Bloomolin, In: Phi Delta Kappa Educational Foundation

While systems can become very complex, the concept behind a system can be easily explained. A system is made up of parts that join together to form a whole. Frick (1991) suggests that where things get interesting is in the specifics of how parts relate to one another.

References:
Frick, T. W. (1991). Restructuring education through technology. Bloomington, IN: Phi Delta Kappa Educational