according to the following research process from the book of Sekaran and Bougie (2013). 1. Observation (Broad area of research interest identified) 2. Preliminary Data Gathering (Interviewing Literature [...] 140 during working hours 100 Referate Literatur Mandatory readingSekaran, U., Bougie, R. (2013). Research Methods for Business, 6th edition. Wiley. ISBN 978-1-119- 94225-2. (436 pages) Advised readingBlumberg

Students. 7th ed. Edinburgh Gate, Harlow: Person Education Limited. Sekaran, U. & Bougie, R. (2016). Research Methods for Business: A Skill-Building Approach. 7th ed. Chichester, West Sussex, United Kingdom