Jakob, Alexander. 2001. “On the Triangulation of Quantitative and Qualitative Data in Typological Social Research: Reflections on a Typology of Conceptualizing ‘Uncertainty’ in the Context of Employment Biographies”. Forum Qualitative Sozialforschung Forum: Qualitative Social Research 2 (1). https://doi.org/10.17169/fqs-2.1.981.