MAHMUD, Aslam. Investigation of Calendar-based Inefficiencies in South Asian Equity Markets: Fresh Evidence from a GJR-GARCH Approach. MBSTU Journal of Science and Technology, [S. l.], v. 12, n. 1, p. 57–73, 2026. DOI: 10.69728/jst.v12.90. Disponível em: https://journal.mbstu.ac.bd/index.php/jst/article/view/90.. Acesso em: 15 jun. 2026.