Rengkung, Christina, Devina Polii, Gratia N. Sembel, and Myline Rau. “The Returns of IHSG, NIKKEI and NASDAQ During COVID-19 Pandemic”. The Contrarian : Finance, Accounting, and Business Research 1, no. 1 (February 15, 2023): 1–5. Accessed June 10, 2026. http://www.jurnal.ywnr.org/index.php/cfabr/article/view/1.