Szmrecsányi, Tamás. “Contributions of Edith Penrose to the Theories of Technical Progress Within Oligopolistic Competition”. Brazilian Journal of Political Economy 21, no. 1 (January 1, 2001): 174-180. Accessed May 7, 2024. https://centrodeeconomiapolitica.org/repojs/index.php/journal/article/view/970.