Rosado, D. P., A. Romão, H. S. C. Lopes, M. da S. Baltazar, and D. Fonseca. “Strategic Management and Retention of Talent: Challenges in the Portuguese Army”. Journal of Reviews on Global Economics, vol. 8, Feb. 2019, pp. 130-4, https://www.lifescienceglobal.com/pms/index.php/jrge/article/view/5851.