Medeiros, M., Nogueira, C. E. C., Siqueira, J. A. C., Lawder, J. H., Souza, S. N. M. de, & Fracaro, G. de P. M. (2012). <b>Optimizing a mixed water heating system (solar and electric) for rural areas</b> - doi: 10.4025/actascitechnol.v35i1.11998. Acta Scientiarum. Technology, 35(1), 69–74. https://doi.org/10.4025/actascitechnol.v35i1.11998