Ferreira, Fl\'avio, and Oana R. Bode. “Licensing by Fixed-Fee and Two-Part Tariff in a Differentiated Stackelberg Model When the Follower Is the Innovator”. Journal of Applied Nonlinear Dynamics 11, no. 4 (August 17, 2026): 805–815. Accessed August 17, 2026. https://lhscientificpublishing.com/index.php/jand/article/view/497.