ENRÍQUEZ GARCÍA, L. A.; GARCÍA FAURE, L. J. .; MUÑOZ CARGUA, J. R. Optimization of renewable energy projects with Excel when professional software is not available. Espirales Revista Multidisciplinaria de investigación, [S. l.], v. 6, n. 40, 2022. DOI: 10.31876/er.v6i40.809. Disponível em: https://revistaespirales.com/index.php/es/article/view/809. Acesso em: 17 apr. 2026.