Bibliografia

Alasuutari, P., Bickman, L. & Brannen, J. (Ed.) (2009). The Sage Handbook of Social Research Methods. Los Angeles, Sage. Bryman, A. (2015). Social Research Methods, Oxford, OUP. Creswell, JW & Plano Clark, VL (2011). Designing and Conducting Mixed Methods Research, Sage. Denzin, N.K., & Lincoln, Y.S. (2005). Handbook of Qualitative Research. London, Sage.:

Flick, U. (2005), Métodos Qualitativos na Investigação Científica, Lisboa: Ed Monitor. Goritz, A.; Kolleck, N. & Jörgens, H. (2019). Education for sustainable development and climate change education: the potential of social network analysis based on twitter data, Sustainability, 19:11, MDPI, DOI: 10.3390/su11195499 ISCTE-IUL (2016), Código de Conduta Ética na Investigação,https://www.iscte-iul.pt/assets/files/2018/11/20/1542706711638_C_digo_de_conduta__tica_na_investiga__o.pdf Marôco, J. (2018), Análise Estatística com o SPSS Statistics, Sintra, ReportNumber, Lda (7ª edição). Oyen, Else, (1990), Comparative Methodology. Theory and practise in international social research, London, Sage Publications, Sage Studies in International Sociology. Vicente, P. et al, Sondagens. A amostragem como factor decisivo de qualidade, Lisboa, Sílabo, 1996. Curini, L. & Franzese, R. (2020), The SAGE Handbook of Research Methods in Political Science and International Relations. London, Sage. Lamont, C. (2015), Research Methods in International Relations. London, Sage. Klotz, A. & Prakash, D. (Eds.) (2008), Qualitative Methods inInternational Relations, a Pluralist Guide. New York, Palgrave Macmillan.: