@inproceedings{84ab1efcaeaa49a099360ed1824028bf,
title = "New perspectives on Kraljic's purchasing portfolio approach.",
author = "C.J. Gelderman and \{Weele, van\}, A.J.",
year = "2000",
language = "English",
pages = "291--298",
editor = "M. Leenders and F. Johnson",
booktitle = "Proceedings of the 9th international IPSERA conference and the third annual North American research symposium on purchasing and supply chain management",
publisher = "IPSERA",
note = "conference; 9th International IPSERA conference and the third annual North American research symposium on purchasing and supply chain management ; Conference date: 01-01-2000",
}