Koen, B. V. (2003). Discussion of the method: Conducting the engineer's approach to problem solving. Oxford University Press.

Koen, B. V. Discussion of the Method: Conducting the Engineer's Approach to Problem Solving. New York: Oxford University Press, 2003.

Koen, B. V. Discussion of the Method: Conducting the Engineer's Approach to Problem Solving. Oxford University Press, 2003.