Yong, J.N.C. , Ziaei, S.M. and R Szulczyk, K. 2021. The Impact of Covid-19 Pandemic on Stock Market Return Volatility: Evidence from Malaysia and Singapore. Asian Economic and Financial Review . 11, 3 (Mar. 2021), 191–204. DOI:https://doi.org/10.18488/journal.aefr.2021.113.191.204.