Media type: E-Article Title: Difficult knowledge boundaries during requirements determination Contributor: O’Raghallaigh, Paidi; Lane, Stephen; Adam, Frederic; Sammon, David imprint: Informa UK Limited, 2020 Published in: Journal of Decision Systems Language: English DOI: 10.1080/12460125.2020.1848342 ISSN: 1246-0125; 2116-7052 Origination: Footnote: