GAŁGANEK, Andrzej. Process tracing and causal mechanisms in research on international relations. Przegląd Politologiczny, [S. l.], n. 2, p. 7–30, 2018. DOI: 10.14746/pp.2018.23.2.1. Disponível em: https://pressto.amu.edu.pl/index.php/pp/article/view/13117. Acesso em: 20 oct. 2024.