TY  - GEN
A1  - Holt, Christian
A1  - Buchholz, Wolfgang
A1  - de Bie, Holger
T1  - How to identify indirect material for global sourcing? Conceptualization of a portfolio matrix based on an exploratory empirical study, 26th Annual International Purchasing and Supply Education and Research Association (IPSERA) Conference: "Coping with the Future: Picking your Battles", Budapest/Balatonfured, Hungary , 2017
Y1  - 2017
UR  - https://www.hb.fh-muenster.de/opus4/frontdoor/index/index/docId/8898
ER  -