Bahaludin, H., F. N. A. . Mahamood, M. H. . Abdullah, M. A. . Fauzi, and M. . Omar. “The Impact of the COVID-19 Pandemic on the Interconnectedness of Stocks in Bursa Malaysia”. MATEMATIKA, vol. 38, no. 2, Aug. 2022, pp. 69-82, doi:10.11113/matematika.v38.n2.1355.