Enkel, Ellen, et al. “Open R&D and Open Innovation: Exploring the Phenomenon”. R&Amp;D Management, vol. 39, no. 4, 2009, pp. 311-6, https://doi.org/10.1111/j.1467-9310.2009.00570.x.
Enkel, E., Gassmann, O., & Chesbrough, H. (2009). Open R&D and open innovation: exploring the phenomenon. R&Amp;D Management, 39(4), 311-316. https://doi.org/10.1111/j.1467-9310.2009.00570.x
Enkel E, Gassmann O, Chesbrough H. Open R&D and open innovation: exploring the phenomenon. R&D Management. 2009;39(4):311-6.