Breitenfelder, Ursula, Christoph Hofinger, Isabella Kaupa, and Ruth Picker. “The Use of Focus Groups in the Process of Political Research and Consultancy”. Forum Qualitative Sozialforschung / Forum: Qualitative Social Research 5, no. 2 (May 31, 2004). Accessed March 1, 2024. https://www.qualitative-research.net/index.php/fqs/article/view/591.