AFEEF, M.; SHAH, F. A.; KAKAKHEL, S. J. Stock Index Prediction Using the Variance Modeling Approach. CITY UNIVERSITY RESEARCH JOURNAL, [S. l.], v. 10, n. 4, 2020. Disponível em: http://cusitjournals.com/index.php/CURJ/article/view/230. Acesso em: 2 may. 2024.