• From product centred design to value centred design : understanding the value-systemRandmaa, Merili; Howard, Thomas; Otto, TaunoProceedings of the 8th International Conference of DAAAM Baltic Industrial Engineering, 19-21st April 2012, Tallinn, Estonia. 22012 / p. 548-554 : ill
• Rethinking value : a value-centric model of product, service and business developmentRandmaa, Merili; Mougaard, Krestine; Howard, Thomas; McAloone, TimICED 11 : 18th International Conference on Engineering Design : 15-18 August 2011, Kopenhaagen : Impacting Society Through Engineering Design2011 / p. DS 68-11 https://www.designsociety.org/publication/30526/RETHINKING+VALUE%3A+A+VALUE-CENTRIC+MODEL+OF+PRODUCT%2C+SERVICE+AND+BUSINESS+DEVELOPMENT