Teixeira Júnior, A. W. M., Sousa, V. de M. and Leite, A. C. C. (2017) “Comparing Strategies for the Operationalization of Variables in International Relations: the measurement of national power capabilities”, Meridiano 47 - Journal of Global Studies, 18. Available at: https://periodicos.unb.br/index.php/MED/article/view/5313 (Accessed: 20 May 2024).