ARIEF, Syachrul. Observation of El Niño and La Niña Phenomena, on the island of Sulawesi - Indonesia, based on the Global Positioning System (GPS). International Journal of Environment, Agriculture and Biotechnology, [S. l.], v. 6, n. 2, 2021. Disponível em: https://journal-repository.com/index.php/ijeab/article/view/3467.. Acesso em: 2 may. 2025.