1. Beyond beauty: The opportunities and challenges of cosmetically imperfect produce;Further With Food,2016
2. Click & meet: So funktioniert das shopping mit termin;Berlin.de–Das offizielle Hauptstadtportal;Berlin.de,2021
3. Building theories from case study research;Academy of Management Review,1989
4. Deine bio-kiste;Etepete;Etepete,2021
5. Giving Compass
. (2020). How to keep moving toward zero waste during coronavirus. Giving Compass. https://givingcompass.org/article/how-to-keep-moving-toward-zero-waste-during-coronavirus