1. ICAO. Effects of Novel Coronavirus (COVID-19) on Civil Aviation: Economic Impact Analysis Economic Development-Air Transport Bureau. 2020.
2. Biro Pusat Statistik. Jumlah penumpang pesawat di bandara utama. 2023.
3. Sun X, Wandelt S, Zheng C, Zhang A. COVID-19 pandemic and air transportation: Successfully navigating the paper hurricane. J Air Transp Manag 2021;94.
4. Porter ME. The five competitive forces that shape strategy. vol. 86. 1st ed. Harvard Business Review; 2008.
5. Firmansyah M, Amer Y. SMEs competitiveness analysis in the global environment using an integrated SWOT-PORTER’S FIVE FORCES model: a case study of Australian Manufacturing SMEs. Proceeding of the 6th International Conference on Operations and Supply Chain Management, Bali: 2014.