APA:
Mustonen, Erno, Tolonen, Arto, Härkönen, Janne, Haapasalo, Harri (2019). Constructing a joint product portfolio to support commercial cooperation.
International journal of management, knowledge and learning, letnik 8, iss. 1, str. 3-23, 115.
URN:NBN:SI:DOC-O4L2G5BE from http://www.dlib.si