1. World Health Organization: Timeline: WHO’s COVID-19 response. https://www.who.int/emergencies/diseases/novel-coronavirus-2019/interactive-timeline. Last accessed 02 Jan 2020
2. Baum, T., Mooney, S., Robinson, R., Solnet, D.: COVID-19’s impact on the hospitality workforce—new crisis or amplification of the norm? Int. J. Contemp. Hosp. Manag. 32, 2813–2829 (2020). https://doi.org/10.1108/ijchm-04-2020-0314
3. Statista: COVID-19: job loss in travel and tourism worldwide 2020–2021, by region. http://www.statista.com/statistics/1104835/coronavirus-travel-tourism-employment-loss/
4. Idris, R., Mansur, K.: Sabah economic model: an overview. Int. J. Acad. Res. Account. Financ. Manag. Sci. 10 (2020). https://doi.org/10.6007/ijarafms/v10-i3/8156
5. Sabah Economic Development and Investment Authority: SEDIA Annual Report 2018. https://sedia.com.my/annualreport/index.html