UMAYI ANANDA, W.; GURSIDA, H. .; INDRAYONO, Y. . Empirical Study on Event Study Model on Biotech Stock Market. Journal of World Science, [S. l.], v. 2, n. 4, p. 498–507, 2023. DOI: 10.58344/jws.v2i4.270. Disponível em: https://jws.rivierapublishing.id/index.php/jws/article/view/270. Acesso em: 24 jun. 2026.