1. Corporate governance in the context of crises: towards a stakeholder theory of crisis management;Alpaslan;J. Contingencies Crisis Manag.,2009
2. Am, J., Furstenthal, L., Jorge, F., & Roth, E. (June 2020). "Innovation in a crisis: Why it is more critical than ever." McKinsey & Company - Strategy & Corporate Finance Practice. Retrieved from 〈https://www.mckinsey.com/capabilities/strategy-and-corporate-finance/our-insights/innovation-in-a-crisis-why-it-is-more-critical-than-ever#/〉 Accessed on 03/12/2023.
3. Stepping up and stepping out of COVID-19: New challenges for environmental sustainability policies in the global airline industry;Amankwah-Amoah;Journal of Cleaner Production,2020
4. COVID-19 pandemic and innovation activities in the global airline industry: a review;Amankwah-Amoah;Environ. Int.,2021
5. Qualitative data analysis with NVivo;Bazeley,2013