Hanitha V, Purnama M, Purnama O. The Effect Of Additive Covid19 Positive Cases And World Gold Prices On The Joint Share Price Index In Indonesia Stock Exchange Period July 2020 - December 2020. Primanomics : Jurnal Ekonomi & Bisnis [Internet]. 2021 Sep. 1 [cited 2024 Nov. 22];19(3):101-15. Available from: https://jurnal.ubd.ac.id/index.php/PE/article/view/639