1. ILO.: Impact of COVID-19 on people's livelihoods, their health and our food systems., from ILO website: https://www.ilo.org/global/about-the-ilo/newsroom/statements-and-speeches/WCMS_757974/lang--en/index.htm. Last accessed 2022/2/20.
2. WHO.: Impact of COVID-19 on people's livelihoods, their health and our food systems. from WHO website: https://www.who.int/news/item/13-10-2020-impact-of-covid-19-on-people%27s-livelihoods-their-health- and-our-food-systems. Last accessed 2022/2/20.
3. Neufeld, D.: Covid-19 Downturn BEACH Stocks: $332B in Value Novel coronavirus 2019-nCoV: early estimation of epidemiological parameters and epidemic prediction. (2020).
4. Istiharini.: Triumph the Uncertainty. Faculty of Economics, Parahayangan Catholic University (2021).
5. Dewi, S.N.F., Asmanto, P., Hidayat, T., Suryanto, G.I., Adji, A.: Maximizing the Role of the Basic Food Program during the Covid-19 Pandemic. TNP2K Secretariat, Jakarta (2020).