HREN, Gorazd, JEZERNIK, Anton, LUKŠIČ, Stanislav in PREDIN, Andrej, 2009, Integration framework to support cooperation in product development process. Strojniški vestnik [na spletu]. 2009. [Dostopano 18 marec 2025]. Pridobljeno s: http://www.sv-jme.eu/scripts/download.php?file=/data/upload/2009/SV-4-09/Delovna/6___Hren.pdf