@inbook{40ebf5de627146c79db999803c670689,
title = "Systems levels in purchasing and supply chain management (PSCM) research: Exploring established and novel theories to address PSCM problems and challenges",
author = "Harland, \{Christine M.\} and Roehrich, \{Jens K.\}",
year = "2022",
month = may,
day = "13",
doi = "10.4337/9781839104503.00009",
language = "English",
isbn = "9781839104497",
pages = "63--79",
booktitle = "Handbook of Theories for Purchasing, Supply Chain and Management Research",
publisher = "Edward Elgar Publishing Ltd",
address = "UK United Kingdom",
}