WEI, Liangtong. Summary of Commonly Used ENSO Indices. Highlights in Science, Engineering and Technology, [S. l.], v. 88, p. 687–694, 2024. DOI: 10.54097/vndv3190. Disponível em: https://drpress.org/ojs/index.php/HSET/article/view/19062. Acesso em: 29 may. 2026.