Camus, Pablo, and Fabián Jaksic. “El niño-Southern Oscillation of 1997-1998: Economic, Social, and Political Implications in Chile”. Revista de Historia 1, no. 30 (July 17, 2023): hc342. Accessed December 7, 2025. https://revistas.udec.cl/index.php/historia/article/view/11192.