Purnomo, Endri, et al. “PENGARUH PANDEMI COVID 19 TERHADAP HARGA SAHAM PADA JAKARTA STOCK EXCHANGE COMPOSITE (JKSE) DAN BITCOIN PER RUPIAH INDONESIA”. Nusantara Hasana Journal, vol. 2, no. 2, July 2022, pp. 318-32, https://mail.nusantarahasanajournal.com/index.php/nhj/article/view/424.