WELKER, Martin. Review: Michael Häder & Sabine Häder (Eds.) (2000). Die Delphi-Technik in den Sozialwissenschaften. Methodische Forschungen und innovative Anwendungen [The Delphi-Technique in the Social Sciences. Research on Methods and Innovative Applications]. Forum Qualitative Sozialforschung / Forum: Qualitative Social Research, [S. l.], v. 3, n. 1, 2002. DOI: 10.17169/fqs-3.1.901. Disponível em: https://www.qualitative-research.net/index.php/fqs/article/view/901. Acesso em: 19 apr. 2024.