Ni Luh Putu Mita MIATI, and I Gde Agung Wira PERTAMA. “Analysis of Market Reactions Before And After the Announcement of the Covid 19 Virus Pandemic ”. International Journal of Environmental, Sustainability, and Social Science, vol. 1, no. 3, Nov. 2020, pp. 12-15, doi:10.38142/ijesss.v1i3.36.