Şerban, Octavian. “From Endogenous Growth Theory to Knowledge Economy Pyramid - Comparative Analysis of Knowledge As an Endogenous Factor of Development”. LUMEN Proceedings 14 (December 8, 2020): 108-128. Accessed April 13, 2026. https://proceedings.lumenpublishing.com/ojs/index.php/lumenproceedings/article/view/555.