1. Improved Process Quality through Certification Systems: An Assessment of Selected Animal Welfare Labels Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Heise, Heinke (author), Pirsich, Wiebke (author), and Theuvsen, Ludwig (author) Format: Journal article Publication Date: 2014 Published: Interational Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 151 Document Number: D06786 Journal Title: International Journal on Food System Dynamics Journal Title Details: 5(1)