@mastersthesis{publication-13799,
	author={Loch, Beatrice},
	editor={Staffelbach, Bruno and Mehr, Susanne},
	faculty={Faculty of Economics, Business Administration and Information Technology},
	institution={University of Zurich},
	pages=133,
	title={ROI in active sourcing: Defining qualitative and quantitative measures },
	year=2016,
}