@unpublished{publication-11965,
	author={Beck, Mathias and Schenker-Wicki, Andrea and Sch{\"o}nenberger, Lukas},
	institution={University of Zurich},
	number=353,
	series={UZH Business Working Paper},
	title={Making Sustainable Strategy in Complex Management Environments: Proposition for a Systemic and Practice-Oriented Methodology},
	year=2015,
}