Arief, S. (2021) “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, 6(2). Available at: https://journal-repository.com/index.php/ijeab/article/view/3467 (Accessed: 22 November 2024).