"In sharp contrast (with the traditional social planning) the systems design approach seeks to understand a problem situation as a system of interconnected, interdependent, and interacting issues and to create a design as a system of interconnected, interdependent, interacting, and internally consistent solution ideas."
January 1, 1970
https://en.wikiquote.org/wiki/B%C3%A9la_H._B%C3%A1n%C3%A1thy