SOL-SANCHEZ, A.; SIERRA-FIGUEREDO, P.; MARINERO-ORANTES, E. A. Solar activity and its association with the rain regime in El Salvador. Ibero-American Journal of Bioeconomics and Climate Change, Nicaragua, NI, v. 3, n. 6, p. 782–799, 2017. DOI: 10.5377/ribcc.v3i6.5948. Disponível em: https://revistas.unanleon.edu.ni/index.php/REBICAMCLI/article/view/87. Acesso em: 7 nov. 2026.