1. Grounded aircraft: An airfield operations perspective of the challenges of resuming flights post COVID;Adrienne;J. Air Transp. Manag.,2020
2. CNA, 2020, Changi Airport rolling out contactless check-in kiosks, immigration counters. July 1, 2020.
3. An airport operations proposal for a pandemic-free air travel;Alonso Tabares;J. Air Transp. Manag.,2021
4. Caught in a crossfire: Front-end decision-making in airport expansion programmes;Avanzi;Transp. Res. Interdiscip. Perspect.,2020
5. The Coronavirus and the Great Influenza Pandemic: Lessons from the “Spanish Flu” for the Coronavirus’s Potential Effects on Mortality and Economic Activity;Barro;National Bureau of Economic Research Working Paper Series,2020