Kefi, Mohamed Karim. “Impact of Co-Operation and Competences on the Innovating Behavior: A Micro-Econometric Study of the French Firms”. International Journal of Economics and Financial Issues 2, no. 4 (September 23, 2012): 519–527. Accessed September 20, 2024. https://mail.econjournals.com/index.php/ijefi/article/view/209.