13. Doing qualitative research Crabtree, Benjamin F., Thousand Oaks, California : SAGE Publications, Inc, [2023] BUS472
14. Principles and practice of structural equation modeling Kline, Rex B., New York : The Guilford Press, [2023] CP605
15. Research design: qualitative, quantitative, and mixed methods approaches Creswell, John W., Los Angeles, California ; SAGE Publications, Inc., [2023] PSY510 CP607 SOC221
19. Introduction to mediation, moderation, and conditional process analysis: a regression-based approach Hayes, Andrew F., New York, NY : The Guilford Press, [2022] PSY213
20. The generic qualitative approach to a dissertation in the social sciences: a step by step guide Kostere, Sandra, Abingdon, Oxon : Routledge, 2022. GDM516